Common Weakness Enumeration
CWE-502
AllowedDeserialization of Untrusted Data
Abstraction: Base · Status: Draft
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
5189 vulnerabilities reference this CWE, most recent first.
CVE-2026-40993 (GCVE-0-2026-40993)
Vulnerability from cvelistv5 – Published: 2026-06-09 23:46 – Updated: 2026-06-27 21:23
VLAI
EPSS
VEX
Title
Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry
Summary
An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository (saml2_asserting_party_metadata) may be able to store malicious serialized payloads in the columns containing the collection of verification or encryption credentials (verification_credentials and encryption_credentials, respectively).
Affected versions:
Spring Security 7.0.0 through 7.0.5.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 13:00 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Spring | Spring Security |
Affected:
7.0.0 , < 7.0.5.1
(custom)
|
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CVE-2026-40901 (GCVE-0-2026-40901)
Vulnerability from cvelistv5 – Published: 2026-04-16 20:57 – Updated: 2026-04-17 18:47
VLAI
EPSS
VEX
Title
DataEase: Quartz Deserialization → Remote Code Execution
Summary
DataEase is an open-source data visualization and analytics platform. Versions 2.10.20 and below ship the legacy velocity-1.7.jar, which pulls in commons-collections-3.2.1.jar containing the InvokerTransformer deserialization gadget chain. Quartz 2.3.2, also bundled in the application, deserializes job data BLOBs from the qrtz_job_details table using ObjectInputStream with no deserialization filter or class allowlist. An authenticated attacker who can write to the Quartz job table, such as through the previously described SQL injection in previewSql, can replace a scheduled job's JOB_DATA with a malicious CommonsCollections6 gadget chain payload. When the Quartz cron trigger fires, the payload is deserialized and executes arbitrary commands as root inside the container, achieving full remote code execution. This issue has been fixed in version 2.10.21.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-17 18:46 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/dataease/dataease/security/adv… | x_refsource_CONFIRM |
| https://github.com/dataease/dataease/releases/tag… | x_refsource_MISC |
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CVE-2026-40877 (GCVE-0-2026-40877)
Vulnerability from cvelistv5 – Published: 2026-08-24 18:57 – Updated: 2026-08-27 14:10
VLAI
EPSS
VEX
Title
Combodo iTop: PHP Object Injection Leading to Remote Code Execution on user preferences
Summary
Combodo iTop is a web-based IT service management tool. Prior to 3.2.3, iTop is vulnerable to PHP object injection in the user preference functionality, which can lead to remote code execution. This issue has been fixed in version 3.2.3.
Severity
8.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 14:10 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Combodo/iTop/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-40860 (GCVE-0-2026-40860)
Vulnerability from cvelistv5 – Published: 2026-04-27 08:03 – Updated: 2026-07-15 02:48
VLAI
EPSS
VEX
Title
Apache Camel: Unsafe Deserialization of JMS ObjectMessage in camel-jms, camel-sjms, camel-sjms2 and camel-amqp
Summary
JmsBinding.extractBodyFromJms() in camel-jms, and the equivalent JmsBinding class in camel-sjms, deserialized the payload of incoming JMS ObjectMessage values via javax.jms.ObjectMessage.getObject() without applying any ObjectInputFilter, class allowlist or class denylist. Because this code path is reached whenever the mapJmsMessage option is enabled (the default) and Camel acts as a JMS consumer, an attacker able to publish a crafted ObjectMessage to a queue or topic consumed by a Camel application could achieve remote code execution when a deserialization gadget chain was present on the classpath. The same handling was reached transitively through camel-sjms2 (whose Sjms2Endpoint extends SjmsEndpoint) and through camel-amqp (whose AMQPJmsBinding extends JmsBinding), and by other JMS-family components built on JmsComponent such as camel-activemq and camel-activemq6.
This issue affects Apache Camel: from 3.0.0 before 4.14.7, from 4.15.0 before 4.18.2, from 4.19.0 before 4.20.0.
Users are recommended to upgrade to version 4.20.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.7. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.2.
Severity
9.8 (Critical)
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 00:00 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://camel.apache.org/security/CVE-2026-40860.html | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… | |
| https://access.redhat.com/security/cve/CVE-2026-40860 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2463172 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:22453 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:17668 | vendor-advisoryx_refsource_REDHAT |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Camel |
Affected:
3.0.0 , < 4.14.7
(semver)
Affected: 4.15.0 , < 4.18.2 (semver) Affected: 4.19.0 , < 4.20.0 (semver) |
|
| Red Hat | Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14 |
cpe:/a:redhat:apache_camel_spring_boot:4.18
|
|
| Red Hat | Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 |
cpe:/a:redhat:apache_camel_quarkus:3.33
|
|
| Red Hat | Red Hat build of Apache Camel 4 for Quarkus 3 |
cpe:/a:redhat:camel_quarkus:3
|
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp
|
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CVE-2026-40859 (GCVE-0-2026-40859)
Vulnerability from cvelistv5 – Published: 2026-07-06 07:54 – Updated: 2026-07-06 18:48
VLAI
EPSS
VEX
Title
Apache Camel: Camel-Vertx-Http: Unsafe Java deserialization of HTTP response bodies via a raw ObjectInputStream when transferException is enabled
Summary
Deserialization of Untrusted Data vulnerability in Apache Camel.
The camel-vertx-http component deserializes HTTP response bodies carrying the Content-Type application/x-java-serialized-object using a raw java.io.ObjectInputStream, without applying any ObjectInputFilter (VertxHttpHelper.deserializeJavaObjectFromStream) This deserialization path is reached only when the producer endpoint is configured with transferException=true (or the component-level allowJavaSerializedObject=true) and throwExceptionOnFailure is left at its default value of true; in that case a backend HTTP response with a 5xx status and the application/x-java-serialized-object content type has its body deserialized with no class restrictions. An attacker who controls the backend the Camel producer talks to - through a man-in-the-middle position on an unencrypted (plain HTTP) connection, or by compromising the backend service - can return a crafted serialized Java object and, if a suitable gadget chain is present on the classpath, achieve remote code execution on the Camel application host. The path is not reachable in the default configuration, where transferException is false.
This issue affects Apache Camel: from 4.0.0 before 4.14.8, from 4.15.0 before 4.18.3, from 4.19.0 before 4.20.0.
Users are recommended to upgrade to version 4.20.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.8. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.3. After upgrading, the deserialization performed by both helper utilities is constrained by a default ObjectInputFilter (allow-list java.**;javax.**;org.apache.camel.**;!*), which can be customised through the new deserializationFilter endpoint option or the JVM-wide -Djdk.serialFilter system property. For deployments that cannot upgrade immediately: do not enable transferException=true (or allowJavaSerializedObject=true) on producers that talk to untrusted or network-reachable backends; ensure producer connections use TLS (https) so that a response cannot be substituted by a man-in-the-middle; and, where the option is required, set an explicit -Djdk.serialFilter allow-list (for example java.**;org.apache.camel.**;!*) to constrain deserialization.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 18:47 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Camel |
Affected:
4.0.0 , < 4.14.8
(semver)
Affected: 4.15.0 , < 4.18.3 (semver) Affected: 4.19.0 , < 4.20.0 (semver) |
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CVE-2026-40858 (GCVE-0-2026-40858)
Vulnerability from cvelistv5 – Published: 2026-04-27 09:38 – Updated: 2026-07-15 01:00
VLAI
EPSS
VEX
Title
Apache Camel: Camel-Infinispan: Unsafe Deserialization in Remote Aggregation Repository
Summary
The camel-infinispan component's ProtoStream-based remote aggregation repository deserializes data read from a remote Infinispan cache using java.io.ObjectInputStream without applying any ObjectInputFilter. An attacker who can write to the Infinispan cache used by a Camel application can inject a crafted serialized Java object that, when read during normal aggregation repository operations such as get or recover, results in arbitrary code execution in the context of the application.
This issue affects Apache Camel: from 4.0.0 before 4.14.7, from 4.15.0 before 4.18.2, from 4.19.0 before 4.20.0.
Users are recommended to upgrade to version 4.20.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.7. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.2.
The JIRA ticket: https://issues.apache.org/jira/browse/CAMEL-23322 refers to the various commits that resolved the issue, and have more details. This issue follows the same class of vulnerability previously addressed in CVE-2024-22369, CVE-2024-23114 and CVE-2026-25747.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 00:00 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://camel.apache.org/security/CVE-2026-40858.html | vendor-advisory |
| https://access.redhat.com/security/cve/CVE-2026-40858 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2463179 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:22453 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:17668 | vendor-advisoryx_refsource_REDHAT |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Camel |
Affected:
4.0.0 , < 4.14.7
(semver)
Affected: 4.15.0 , < 4.18.2 (semver) Affected: 4.19.0 , < 4.20.0 (semver) |
|
| Red Hat | Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14 |
cpe:/a:redhat:apache_camel_spring_boot:4.18
|
|
| Red Hat | Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14 |
Unaffected:
infinispan-common , < *
(rpm)
Unaffected: infinispan-embedded , < * (rpm) cpe:/a:redhat:apache_camel_spring_boot:4.18 |
|
| Red Hat | Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 |
cpe:/a:redhat:apache_camel_quarkus:3.33
|
|
| Red Hat | Red Hat build of Apache Camel 4 for Quarkus 3 |
cpe:/a:redhat:camel_quarkus:3
|
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp
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CVE-2026-40761 (GCVE-0-2026-40761)
Vulnerability from cvelistv5 – Published: 2026-06-16 20:57 – Updated: 2026-06-17 10:37
VLAI
EPSS
VEX
Title
WordPress Valeska theme <= 1.2.2 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Valeska <= 1.2.2 versions.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-17 10:24 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/theme/v… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
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| Edge-Themes | Valeska |
Affected:
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CVE-2026-40760 (GCVE-0-2026-40760)
Vulnerability from cvelistv5 – Published: 2026-06-16 20:57 – Updated: 2026-06-17 10:37
VLAI
EPSS
VEX
Title
WordPress Behold theme <= 1.5 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Behold <= 1.5 versions.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-17 10:25 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/theme/b… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Edge-Themes | Behold |
Affected:
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(custom)
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CVE-2026-40759 (GCVE-0-2026-40759)
Vulnerability from cvelistv5 – Published: 2026-06-16 20:57 – Updated: 2026-06-17 10:37
VLAI
EPSS
VEX
Title
WordPress Esmée theme <= 1.4 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Esmée <= 1.4 versions.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-17 10:25 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/theme/e… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mikado-Themes | Esmée |
Affected:
n/a , ≤ 1.4
(custom)
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CVE-2026-40758 (GCVE-0-2026-40758)
Vulnerability from cvelistv5 – Published: 2026-06-16 20:57 – Updated: 2026-06-17 10:38
VLAI
EPSS
VEX
Title
WordPress Léonie theme <= 1.2.1 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Léonie <= 1.2.1 versions.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-17 10:25 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/theme/l… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Elated-Themes | Léonie |
Affected:
n/a , ≤ 1.2.1
(custom)
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Mitigation
Architecture and Design
Implementation
If available, use the signing/sealing features of the programming language to assure that deserialized data has not been tainted. For example, a hash-based message authentication code (HMAC) could be used to ensure that data has not been modified.
Mitigation
Implementation
When deserializing data, populate a new object rather than just deserializing. The result is that the data flows through safe input validation and that the functions are safe.
Mitigation
Implementation
Explicitly define a final object() to prevent deserialization.
Mitigation
Architecture and Design
Implementation
- Make fields transient to protect them from deserialization.
- An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.
Mitigation
Implementation
Avoid having unnecessary types or gadgets (a sequence of instances and method invocations that can self-execute during the deserialization process, often found in libraries) available that can be leveraged for malicious ends. This limits the potential for unintended or unauthorized types and gadgets to be leveraged by the attacker. Add only acceptable classes to an allowlist. Note: new gadgets are constantly being discovered, so this alone is not a sufficient mitigation.
Mitigation
Architecture and Design
Implementation
Employ cryptography of the data or code for protection. However, it's important to note that it would still be client-side security. This is risky because if the client is compromised then the security implemented on the client (the cryptography) can be bypassed.
Mitigation MIT-29
Operation
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-586: Object Injection
An adversary attempts to exploit an application by injecting additional, malicious content during its processing of serialized objects. Developers leverage serialization in order to convert data or state into a static, binary format for saving to disk or transferring over a network. These objects are then deserialized when needed to recover the data/state. By injecting a malformed object into a vulnerable application, an adversary can potentially compromise the application by manipulating the deserialization process. This can result in a number of unwanted outcomes, including remote code execution.