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1643 vulnerabilities by Apache Software Foundation
CVE-2025-54550 (GCVE-0-2025-54550)
Vulnerability from cvelistv5 – Published: 2026-04-15 00:22 – Updated: 2026-04-15 00:22
VLAI?
Title
Apache Airflow: RCE by race condition in example_xcom dag
Summary
The example example_xcom that was included in airflow documentation implemented unsafe pattern of reading value
from xcom in the way that could be exploited to allow UI user who had access to modify XComs to perform arbitrary
execution of code on the worker. Since the UI users are already highly trusted, this is a Low severity vulnerability.
It does not affect Airflow release - example_dags are not supposed to be enabled in production environment, however
users following the example could replicate the bad pattern. Documentation of Airflow 3.2.0 contains version of
the example with improved resiliance for that case.
Users who followed that pattern are advised to adjust their implementations accordingly.
Severity ?
No CVSS data available.
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Airflow |
Affected:
0 , < 3.2.0
(semver)
|
Credits
Vincent55 Yang
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CVE-2026-31923 (GCVE-0-2026-31923)
Vulnerability from cvelistv5 – Published: 2026-04-14 08:38 – Updated: 2026-04-14 18:16
VLAI?
Title
Apache APISIX: Openid-connect `tls_verify` field is disabled by default
Summary
Cleartext Transmission of Sensitive Information vulnerability in Apache APISIX.
This can occur due to `ssl_verify` in openid-connect plugin configuration being set to false by default.
This issue affects Apache APISIX: from 0.7 through 3.15.0.
Users are recommended to upgrade to version 3.16.0, which fixes the issue.
Severity ?
No CVSS data available.
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache APISIX |
Affected:
0.7 , ≤ 3.15.0
(semver)
|
Credits
Oleh Konko
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CVE-2026-33929 (GCVE-0-2026-33929)
Vulnerability from cvelistv5 – Published: 2026-04-14 08:09 – Updated: 2026-04-14 19:50
VLAI?
Title
Apache PDFBox Examples: Path Traversal in PDFBox ExtractEmbeddedFiles Example Code
Summary
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache PDFBox Examples.
This issue affects the
ExtractEmbeddedFiles example in Apache PDFBox: from 2.0.24 through 2.0.36, from 3.0.0 through 3.0.7.
Users are recommended to update to version 2.0.37 or 3.0.8 once
available. Until then, they should apply the fix provided in GitHub PR
427.
The ExtractEmbeddedFiles example contained a path traversal vulnerability (CWE-22) mentioned in CVE-2026-23907. However the change in the releases 2.0.36 and 3.0.7 is flawed because it doesn't consider the file path separator. Because of that, a user having writing rights on /home/ABC could be victim to a malicious PDF resulting in a write attempt to any path starting with /home/ABC, e.g. "/home/ABCDEF".
Users who have copied this example into their production code should apply the mentioned change. The example
has been changed accordingly and is available in the project repository.
Severity ?
No CVSS data available.
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache PDFBox Examples |
Affected:
2.0.24 , ≤ 2.0.36
(semver)
Affected: 3.0.0 , ≤ 3.0.7 (semver) |
Credits
Kaixuan Li
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CVE-2026-31924 (GCVE-0-2026-31924)
Vulnerability from cvelistv5 – Published: 2026-04-14 08:08 – Updated: 2026-04-14 19:51
VLAI?
Title
Apache APISIX: Plugin tencent-cloud-cls log export uses plaintext HTTP
Summary
Cleartext Transmission of Sensitive Information vulnerability in Apache APISIX.
tencent-cloud-cls log export uses plaintext HTTP
This issue affects Apache APISIX: from 2.99.0 through 3.15.0.
Users are recommended to upgrade to version 3.16.0, which fixes the issue.
Severity ?
No CVSS data available.
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache APISIX |
Affected:
2.99.0 , ≤ 3.15.0
(semver)
|
Credits
Oleh Konko
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CVE-2026-31908 (GCVE-0-2026-31908)
Vulnerability from cvelistv5 – Published: 2026-04-14 08:06 – Updated: 2026-04-14 08:37
VLAI?
Title
Apache APISIX: forward auth plugin allows header injection
Summary
Header injection vulnerability in Apache APISIX.
The attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers.
This issue affects Apache APISIX: from 2.12.0 through 3.15.0.
Users are recommended to upgrade to version 3.16.0, which fixes the issue.
Severity ?
No CVSS data available.
CWE
- CWE-75 - Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache APISIX |
Affected:
2.12.0 , ≤ 3.15.0
(semver)
|
Credits
SeungMyung Lee
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CVE-2026-33858 (GCVE-0-2026-33858)
Vulnerability from cvelistv5 – Published: 2026-04-13 14:36 – Updated: 2026-04-14 03:55
VLAI?
Title
Apache Airflow: Unsafe Deserialization via Legacy Serialization Keys (__type/__var) Bypass in XCom API
Summary
Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low.
Users are recommended to upgrade to Apache Airflow 3.2.0, which resolves this issue.
Severity ?
No CVSS data available.
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Airflow |
Affected:
3.1.8 , < 3.2.0
(semver)
|
Credits
wooseokdotkim
Amogh Desai
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CVE-2025-66236 (GCVE-0-2025-66236)
Vulnerability from cvelistv5 – Published: 2026-04-13 14:20 – Updated: 2026-04-13 16:26
VLAI?
Title
Apache Airflow: Secrets from Airflow config file logged in plain text in DAG run logs UI
Summary
Before Airflow 3.2.0, it was unclear that secure Airflow deployments require the Deployment Manager to take appropriate actions and pay attention to security details and security model of Airflow. Some assumptions the Deployment Manager could make were not clear or explicit enough, even though Airflow's intentions and security model of Airflow did not suggest different assumptions. The overall security model [1], workload isolation [2], and JWT authentication details [3] are now described in more detail. Users concerned with role isolation and following the Airflow security model of Airflow are advised to upgrade to Airflow 3.2, where several security improvements have been implemented. They should also read and follow the relevant documents to make sure that their deployment is secure enough. It also clarifies that the Deployment Manager is ultimately responsible for securing your Airflow deployment. This had also been communicated via Airflow 3.2.0 Blog announcement [4].
[1] Security Model: https://airflow.apache.org/docs/apache-airflow/stable/security/jwt_token_authentication.html
[2] Workload isolation: https://airflow.apache.org/docs/apache-airflow/stable/security/workload.html
[3] JWT Token authentication: https://airflow.apache.org/docs/apache-airflow/stable/security/jwt_token_authentication.html
[4] Airflow 3.2.0 Blog announcement: https://airflow.apache.org/blog/airflow-3.2.0/
Users are recommended to upgrade to version 3.2.0, which fixes this issue.
Severity ?
No CVSS data available.
CWE
- CWE-532 - Insertion of Sensitive Information into Log File
Assigner
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Airflow |
Affected:
3.0.0 , < 3.2.0
(semver)
|
Credits
Saurabh Banawar
Amogh Desai
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CVE-2026-34476 (GCVE-0-2026-34476)
Vulnerability from cvelistv5 – Published: 2026-04-13 13:01 – Updated: 2026-04-13 15:29
VLAI?
Title
Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server
Summary
Server-Side Request Forgery via SW-URL Header vulnerability in Apache SkyWalking MCP.
This issue affects Apache SkyWalking MCP: 0.1.0.
Users are recommended to upgrade to version 0.2.0, which fixes this issue.
Severity ?
No CVSS data available.
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache SkyWalking MCP |
Affected:
0.1.0
(semver)
|
Credits
Andrea Cosentino <ancosen@gmail.com>
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CVE-2026-35337 (GCVE-0-2026-35337)
Vulnerability from cvelistv5 – Published: 2026-04-13 09:11 – Updated: 2026-04-14 03:55
VLAI?
Title
Apache Storm Client: RCE through Unsafe Deserialization via Kerberos TGT Credential Handling
Summary
Deserialization of Untrusted Data vulnerability in Apache Storm.
Versions Affected:
before 2.8.6.
Description:
When processing topology credentials submitted via the Nimbus Thrift API, Storm deserializes the base64-encoded TGT blob using ObjectInputStream.readObject() without any class filtering or validation. An authenticated user with topology submission rights could supply a crafted serialized object in the "TGT" credential field, leading to remote code execution in both the Nimbus and Worker JVMs.
Mitigation:
2.x users should upgrade to 2.8.6.
Users who cannot upgrade immediately should monkey-patch an ObjectInputFilter allow-list to ClientAuthUtils.deserializeKerberosTicket() restricting deserialized classes to javax.security.auth.kerberos.KerberosTicket and its known dependencies. A guide on how to do this is available in the release notes of 2.8.6.
Credit: This issue was discovered by K.
Severity ?
No CVSS data available.
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Storm Client |
Affected:
0 , < 2.8.6
(semver)
|
Credits
K
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CVE-2026-35565 (GCVE-0-2026-35565)
Vulnerability from cvelistv5 – Published: 2026-04-13 09:10 – Updated: 2026-04-13 14:10
VLAI?
Title
Apache Storm UI: Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Storm UI
Summary
Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in Apache Storm UI
Versions Affected: before 2.8.6
Description: The Storm UI visualization component interpolates topology metadata including component IDs, stream names, and grouping values directly into HTML via innerHTML in parseNode() and parseEdge() without sanitization at any layer. An authenticated user with topology submission rights could craft a topology containing malicious HTML/JavaScript in component identifiers (e.g., a bolt ID containing an onerror event handler). This payload flows through Nimbus → Thrift → the Visualization API → vis.js tooltip rendering, resulting in stored cross-site scripting.
In multi-tenant deployments where topology submission is available to less-trusted users but the UI is accessed by operators or administrators, this enables privilege escalation through script execution in an admin's browser session.
Mitigation: 2.x users should upgrade to 2.8.6. Users who cannot upgrade immediately should monkey-patch the parseNode() and parseEdge() functions in the visualization JavaScript file to HTML-escape all API-supplied values including nodeId, :capacity, :latency, :component, :stream, and :grouping before interpolation into tooltip HTML strings, and should additionally restrict topology submission to trusted users via Nimbus ACLs as a defense-in-depth measure. A guide on how to do this is available in the release notes of 2.8.6.
Credit: This issue was discovered while investigating another report by K.
Severity ?
No CVSS data available.
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Storm UI |
Affected:
0 , < 2.8.6
(semver)
|
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CVE-2026-40023 (GCVE-0-2026-40023)
Vulnerability from cvelistv5 – Published: 2026-04-10 15:45 – Updated: 2026-04-10 17:29
VLAI?
Title
Apache Log4cxx, Apache Log4cxx (Conan), Apache Log4cxx (Brew): Silent log event loss in XMLLayout due to unescaped XML 1.0 forbidden characters
Summary
Apache Log4cxx's XMLLayout https://logging.apache.org/log4cxx/1.7.0/classlog4cxx_1_1xml_1_1XMLLayout.html , in versions before 1.7.0, fails to sanitize characters forbidden by the XML 1.0 specification https://www.w3.org/TR/xml/#charsets in log messages, NDC, and MDC property keys and values, producing invalid XML output. Conforming XML parsers must reject such documents with a fatal error, which may cause downstream log processing systems to drop or fail to index affected records.
An attacker who can influence logged data can exploit this to suppress individual log records, impairing audit trails and detection of malicious activity.
Users are advised to upgrade to Apache Log4cxx 1.7.0, which fixes this issue.
Severity ?
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Log4cxx |
Affected:
0 , < 1.7.0
(semver)
cpe:2.3:a:apache:log4cxx:*:*:*:*:*:*:*:* |
||||||||||||
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||||||||||||||
Credits
Olawale Titiloye
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CVE-2026-40021 (GCVE-0-2026-40021)
Vulnerability from cvelistv5 – Published: 2026-04-10 15:44 – Updated: 2026-04-10 17:35
VLAI?
Title
Apache Log4net: Silent log event loss in XmlLayout and XmlLayoutSchemaLog4J due to unescaped XML 1.0 forbidden characters
Summary
Apache Log4net's XmlLayout https://logging.apache.org/log4net/manual/configuration/layouts.html#layout-list and XmlLayoutSchemaLog4J https://logging.apache.org/log4net/manual/configuration/layouts.html#layout-list , in versions before 3.3.0, fail to sanitize characters forbidden by the XML 1.0 specification https://www.w3.org/TR/xml/#charsets in MDC property keys and values, as well as the identity field that may carry attacker-influenced data. This causes an exception during serialization and the silent loss of the affected log event.
An attacker who can influence any of these fields can exploit this to suppress individual log records, impairing audit trails and detection of malicious activity.
Users are advised to upgrade to Apache Log4net 3.3.0, which fixes this issue.
Severity ?
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Log4net |
Affected:
0 , < 3.3.0
(nuget)
cpe:2.3:a:apache:log4net:*:*:*:*:*:*:*:* |
Credits
f00dat
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CVE-2026-34481 (GCVE-0-2026-34481)
Vulnerability from cvelistv5 – Published: 2026-04-10 15:43 – Updated: 2026-04-10 17:41
VLAI?
Title
Apache Log4j JSON Template Layout: Improper serialization of non-finite floating-point values in JsonTemplateLayout
Summary
Apache Log4j's JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values (NaN, Infinity, or -Infinity), which are prohibited by RFC 8259. This may cause downstream log processing systems to reject or fail to index affected records.
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* The application uses JsonTemplateLayout.
* The application logs a MapMessage containing an attacker-controlled floating-point value.
Users are advised to upgrade to Apache Log4j JSON Template Layout 2.25.4, which corrects this issue.
Severity ?
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Log4j JSON Template Layout |
Affected:
2.14.0 , < 2.25.4
(maven)
Affected: 3.0.0-alpha1 , ≤ 3.0.0-beta3 (maven) cpe:2.3:a:apache:log4j_layout_template_json:*:*:*:*:*:*:*:* |
Credits
Ap4sh (Samy Medjahed) and Ethicxz (Eliott Laurie)
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CVE-2026-34480 (GCVE-0-2026-34480)
Vulnerability from cvelistv5 – Published: 2026-04-10 15:42 – Updated: 2026-04-10 17:45
VLAI?
Title
Apache Log4j Core: Silent log event loss in XmlLayout due to unescaped XML 1.0 forbidden characters
Summary
Apache Log4j Core's XmlLayout https://logging.apache.org/log4j/2.x/manual/layouts.html#XmlLayout , in versions up to and including 2.25.3, fails to sanitize characters forbidden by the XML 1.0 specification https://www.w3.org/TR/xml/#charsets producing invalid XML output whenever a log message or MDC value contains such characters.
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* JRE built-in StAX: Forbidden characters are silently written to the output, producing malformed XML. Conforming parsers must reject such documents with a fatal error, which may cause downstream log-processing systems to drop the affected records.
* Alternative StAX implementations (e.g., Woodstox https://github.com/FasterXML/woodstox , a transitive dependency of the Jackson XML Dataformat module): An exception is thrown during the logging call, and the log event is never delivered to its intended appender, only to Log4j's internal status logger.
Users are advised to upgrade to Apache Log4j Core 2.25.4, which corrects this issue by sanitizing forbidden characters before XML output.
Severity ?
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Log4j Core |
Affected:
2.0-alpha1 , < 2.25.4
(maven)
Affected: 3.0.0-alpha1 , ≤ 3.0.0-beta3 (maven) cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:* |
Credits
Ap4sh (Samy Medjahed) and Ethicxz (Eliott Laurie) (original reporters)
jabaltarik1 (independently)
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CVE-2026-34479 (GCVE-0-2026-34479)
Vulnerability from cvelistv5 – Published: 2026-04-10 15:41 – Updated: 2026-04-10 17:47
VLAI?
Title
Apache Log4j 1 to Log4j 2 bridge: Silent log event loss in Log4j1XmlLayout due to unescaped XML 1.0 forbidden characters
Summary
The Log4j1XmlLayout from the Apache Log4j 1-to-Log4j 2 bridge fails to escape characters forbidden by the XML 1.0 standard, producing malformed XML output. Conforming XML parsers are required to reject documents containing such characters with a fatal error, which may cause downstream log processing systems to drop or fail to index affected records.
Two groups of users are affected:
* Those using Log4j1XmlLayout directly in a Log4j Core 2 configuration file.
* Those using the Log4j 1 configuration compatibility layer with org.apache.log4j.xml.XMLLayout specified as the layout class.
Users are advised to upgrade to Apache Log4j 1-to-Log4j 2 bridge version 2.25.4, which corrects this issue.
Note: The Apache Log4j 1-to-Log4j 2 bridge is deprecated and will not be present in Log4j 3. Users are encouraged to consult the Log4j 1 to Log4j 2 migration guide https://logging.apache.org/log4j/2.x/migrate-from-log4j1.html , and specifically the section on eliminating reliance on the bridge.
Severity ?
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Log4j 1 to Log4j 2 bridge |
Affected:
2.7 , < 2.25.4
(maven)
Affected: 3.0.0-alpha1 , ≤ 3.0.0-beta2 (maven) cpe:2.3:a:apache:log4j_1_2_api:*:*:*:*:*:*:*:* |
Credits
Ap4sh (Samy Medjahed) and Ethicxz (Eliott Laurie) (original reporters)
jabaltarik1 (independently)
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CVE-2026-34478 (GCVE-0-2026-34478)
Vulnerability from cvelistv5 – Published: 2026-04-10 15:40 – Updated: 2026-04-10 17:50
VLAI?
Title
Apache Log4j Core: Log injection in Rfc5424Layout due to silent configuration incompatibility
Summary
Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.html#RFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes.
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* The newLineEscape attribute was silently renamed, causing newline escaping to stop working for users of TCP framing (RFC 6587), exposing them to CRLF injection in log output.
* The useTlsMessageFormat attribute was silently renamed, causing users of TLS framing (RFC 5425) to be silently downgraded to unframed TCP (RFC 6587), without newline escaping.
Users of the SyslogAppender are not affected, as its configuration attributes were not modified.
Users are advised to upgrade to Apache Log4j Core 2.25.4, which corrects this issue.
Severity ?
CWE
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Log4j Core |
Affected:
2.21.0 , < 2.25.4
(maven)
Affected: 3.0.0-beta1 , ≤ 3.0.0-beta3 (maven) cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:* |
Credits
Samuli Leinonen
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CVE-2026-34477 (GCVE-0-2026-34477)
Vulnerability from cvelistv5 – Published: 2026-04-10 15:36 – Updated: 2026-04-10 17:38
VLAI?
Title
Apache Log4j Core: verifyHostName attribute silently ignored in TLS configuration, allowing hostname verification bypass
Summary
The fix for CVE-2025-68161 https://logging.apache.org/security.html#CVE-2025-68161 was incomplete: it addressed hostname verification only when enabled via the log4j2.sslVerifyHostName https://logging.apache.org/log4j/2.x/manual/systemproperties.html#log4j2.sslVerifyHostName system property, but not when configured through the verifyHostName https://logging.apache.org/log4j/2.x/manual/appenders/network.html#SslConfiguration-attr-verifyHostName attribute of the <Ssl> element.
Although the verifyHostName configuration attribute was introduced in Log4j Core 2.12.0, it was silently ignored in all versions through 2.25.3, leaving TLS connections vulnerable to interception regardless of the configured value.
A network-based attacker may be able to perform a man-in-the-middle attack when all of the following conditions are met:
* An SMTP, Socket, or Syslog appender is in use.
* TLS is configured via a nested <Ssl> element.
* The attacker can present a certificate issued by a CA trusted by the appender's configured trust store, or by the default Java trust store if none is configured.
This issue does not affect users of the HTTP appender, which uses a separate verifyHostname https://logging.apache.org/log4j/2.x/manual/appenders/network.html#HttpAppender-attr-verifyHostName attribute that was not subject to this bug and verifies host names by default.
Users are advised to upgrade to Apache Log4j Core 2.25.4, which corrects this issue.
Severity ?
CWE
- CWE-297 - Improper Validation of Certificate with Host Mismatch
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Log4j Core |
Affected:
2.12.0 , < 2.25.4
(maven)
Affected: 3.0.0-alpha1 , ≤ 3.0.0-beta3 (maven) cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:* |
Credits
Samuli Leinonen (original reporter)
Naresh Kandula (independently)
Vitaly Simonovich (independently)
Raijuna (independently)
Danish Siddiqui (djvirus, independently)
Markus Magnuson (independently)
Haruki Oyama (Waseda University, independently)
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CVE-2026-39304 (GCVE-0-2026-39304)
Vulnerability from cvelistv5 – Published: 2026-04-10 10:54 – Updated: 2026-04-10 14:10
VLAI?
Title
Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Incorrect handling of TLSv1.3 KeyUpdate can be exploited to cause DoS via OOM
Summary
Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ.
ActiveMQ NIO SSL transports do not correctly handle TLSv1.3 handshake KeyUpdates triggered by clients. This makes it possible for a client to rapidly trigger updates which causes the broker to exhaust all its memory in the SSL engine leading to DoS.
Note: TLS versions before TLSv1.3 (such as TLSv1.2) are broken but are not vulnerable to OOM. Previous TLS versions require a full handshake renegotiation which causes a connection to hang but not OOM. This is fixed as well.
This issue affects Apache ActiveMQ Client: before 5.19.4, from 6.0.0 before 6.2.4; Apache ActiveMQ Broker: before 5.19.4, from 6.0.0 before 6.2.4; Apache ActiveMQ: before 5.19.4, from 6.0.0 before 6.2.4.
Users are recommended to upgrade to version 6.2.4 or 5.19.5, which fixes the issue.
Severity ?
No CVSS data available.
CWE
- Denial of Service via Out of Memory
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache ActiveMQ Client |
Affected:
0 , < 5.19.4
(semver)
Affected: 6.0.0 , < 6.2.4 (semver) |
|||||||||||||||||
|
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CVE-2026-34500 (GCVE-0-2026-34500)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:36 – Updated: 2026-04-10 14:22
VLAI?
Title
Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled
Summary
CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116.
Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.
Severity ?
No CVSS data available.
CWE
- CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M14 , ≤ 11.0.20
(semver)
Affected: 10.1.22 , ≤ 10.1.53 (semver) Affected: 9.0.92 , ≤ 9.0.116 (semver) |
Credits
Haruki Oyama (Waseda University)
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CVE-2026-34487 (GCVE-0-2026-34487)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:36 – Updated: 2026-04-10 17:49
VLAI?
Title
Apache Tomcat: Cloud membership for clustering component exposed the Kubernetes bearer token
Summary
Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116.
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Severity ?
No CVSS data available.
CWE
- CWE-532 - Insertion of Sensitive Information into Log File
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.20
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.53 (semver) Affected: 9.0.13 , ≤ 9.0.116 (semver) |
Credits
Bartlomiej Dmitruk, striga.ai
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CVE-2026-34486 (GCVE-0-2026-34486)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:35 – Updated: 2026-04-10 20:20
VLAI?
Title
Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor
Summary
Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.
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Severity ?
No CVSS data available.
CWE
- CWE-311 - Missing Encryption of Sensitive Data
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.20
(semver)
Affected: 10.1.53 (semver) Affected: 9.0.116 (semver) |
Credits
Bartlomiej Dmitruk at striga.ai
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CVE-2026-34483 (GCVE-0-2026-34483)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:30 – Updated: 2026-04-10 20:17
VLAI?
Title
Apache Tomcat: Incomplete escaping of JSON access logs
Summary
Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116.
Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.
Severity ?
No CVSS data available.
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.20
(semver)
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Credits
Bartlomiej Dmitruk, striga.ai
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CVE-2026-32990 (GCVE-0-2026-32990)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:23 – Updated: 2026-04-10 18:39
VLAI?
Title
Apache Tomcat: Fix for CVE-2025-66614 is incomplete
Summary
Improper Input Validation vulnerability in Apache Tomcat due to an incomplete fix of CVE-2025-66614.
This issue affects Apache Tomcat: from 11.0.15 through 11.0.19, from 10.1.50 through 10.1.52, from 9.0.113 through 9.0.115.
Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.
Severity ?
No CVSS data available.
CWE
- CWE-20 - Improper Input Validation
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.15 , ≤ 11.0.19
(semver)
Affected: 10.1.50 , ≤ 10.1.52 (semver) Affected: 9.0.113 , ≤ 9.0.115 (semver) |
Credits
zhengg
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CVE-2026-29146 (GCVE-0-2026-29146)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:21 – Updated: 2026-04-10 18:17
VLAI?
Title
Apache Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default
Summary
Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.0.0-M1 through 10.1.52, from 9.0.13 through 9..115, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.
Users are recommended to upgrade to version 11.0.19, 10.1.53 and 9.0.116, which fixes the issue.
Severity ?
No CVSS data available.
CWE
- Padding Oracle
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.18
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Credits
Uri Katz and Avi Lumelsky (Oligo Security)
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CVE-2026-29145 (GCVE-0-2026-29145)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:20 – Updated: 2026-04-10 18:11
VLAI?
Title
Apache Tomcat, Apache Tomcat Native: OCSP checks sometimes soft-fail even when soft-fail is disabled
Summary
CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat Native: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39, from 1.3.0 through 1.3.6, from 2.0.0 through 2.0.13.
Users are recommended to upgrade to version Tomcat Native 1.3.7 or 2.0.14 and Tomcat 11.0.20, 10.1.53 and 9.0.116, which fix the issue.
Severity ?
No CVSS data available.
CWE
- CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.18
(semver)
Affected: 10.1.0-M7 , ≤ 10.1.52 (semver) Affected: 9.0.83 , ≤ 9.0.115 (semver) Unaffected: 0 , ≤ 8.5.100 (semver) |
|||||||
|
|||||||||
Credits
gregk4sec (https://github.com/gregk4sec)
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CVE-2026-29129 (GCVE-0-2026-29129)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:19 – Updated: 2026-04-10 18:06
VLAI?
Title
Apache Tomcat: TLS cipher order is not preserved
Summary
Configured cipher preference order not preserved vulnerability in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.16 through 11.0.18, from 10.1.51 through 10.1.52, from 9.0.114 through 9.0.115.
Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.
Severity ?
No CVSS data available.
CWE
- Configured cipher preference order not preserved
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.16 , ≤ 11.0.18
(semver)
Affected: 10.1.51 , ≤ 10.1.52 (semver) Affected: 9.0.114 , ≤ 9.0.115 (semver) |
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CVE-2026-25854 (GCVE-0-2026-25854)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:13 – Updated: 2026-04-10 18:22
VLAI?
Title
Apache Tomcat: Occasionally open redirect
Summary
Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, from 8.5.30 through 8.5.100.
Other, unsupported versions may also be affected
Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.
Severity ?
No CVSS data available.
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.18
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.52 (semver) Affected: 9.0.0.M23 , ≤ 9.0.115 (semver) Affected: 8.5.30 , ≤ 8.5.100 (semver) Unaffected: 0 , ≤ 7.0.109 (semver) |
Credits
gregk4sec (https://github.com/gregk4sec)
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CVE-2026-24880 (GCVE-0-2026-24880)
Vulnerability from cvelistv5 – Published: 2026-04-09 19:12 – Updated: 2026-04-10 18:33
VLAI?
Title
Apache Tomcat: Request smuggling via invalid chunk extension
Summary
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Other, unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.
Severity ?
No CVSS data available.
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.18
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.52 (semver) Affected: 9.0.0.M1 , ≤ 9.0.115 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.0 , ≤ 7.0.109 (semver) Unknown: 0 , < 7.0.0 (semver) Unknown: 8.0.0-RC1 , ≤ 8.0.53 (semver) |
Credits
Xclow3n
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CVE-2026-40046 (GCVE-0-2026-40046)
Vulnerability from cvelistv5 – Published: 2026-04-09 15:58 – Updated: 2026-04-10 19:41
VLAI?
Title
Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT: Missing fix for CVE-2025-66168: MQTT control packet remaining length field is not properly validated
Summary
Integer Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT.
The fix for "CVE-2025-66168: MQTT control packet remaining length field is not properly validated" was only applied to 5.19.2 (and future 5.19.x) releases but was missed for all 6.0.0+ versions.
This issue affects Apache ActiveMQ: from 6.0.0 before 6.2.4; Apache ActiveMQ All: from 6.0.0 before 6.2.4; Apache ActiveMQ MQTT: from 6.0.0 before 6.2.4.
Users are recommended to upgrade to version 6.2.4 or a 5.19.x version starting with 5.19.2 or later (currently latest is 5.19.5), which fixes the issue.
Severity ?
No CVSS data available.
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache ActiveMQ |
Affected:
6.0.0 , < 6.2.4
(semver)
|
||||||||||||
|
||||||||||||||
Credits
Adrien Bernard
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CVE-2026-33005 (GCVE-0-2026-33005)
Vulnerability from cvelistv5 – Published: 2026-04-09 15:52 – Updated: 2026-04-10 18:44
VLAI?
Title
Apache OpenMeetings: Insufficient checks in FileWebService
Summary
Improper Handling of Insufficient Privileges vulnerability in Apache OpenMeetings.
Any registered user can query web service with their credentials and get files/sub-folders of any folder by ID (metadata only NOT contents). Metadata includes id, type, name and some other field. Full list of fields get be checked at FileItemDTO object.
This issue affects Apache OpenMeetings: from 3.10 before 9.0.0.
Users are recommended to upgrade to version 9.0.0, which fixes the issue.
Severity ?
No CVSS data available.
CWE
- CWE-274 - Improper Handling of Insufficient Privileges
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Apache Software Foundation | Apache OpenMeetings |
Affected:
3.1.0 , < 9.0.0
(semver)
|
Credits
4ra2n (A code security AI agent)
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