Common Weakness Enumeration

CWE-90

Allowed

Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component.

167 vulnerabilities reference this CWE, most recent first.

CVE-2026-29138 (GCVE-0-2026-29138)

Vulnerability from cvelistv5 – Published: 2026-04-02 08:47 – Updated: 2026-04-02 14:32
VLAI
Title
PGP Decryption Sender LDAP Injection
Summary
SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-02 14:32 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
NCSC.ch CNA under the mitre root
CNA scorecard B 80/100 over 74 records in the last 180 days details
References
Impacted products
Vendor Product Version
SEPPmail Secure Email Gateway Affected: 0 , < 15.0.3 (custom)
    cpe:2.3:a:seppmail:seppmail_secure_email_gateway:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Andris Suter-Dörig Matteo Scarlata Kenny Paterson
Show details on NVD website
To clipboard 

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CVE-2026-29131 (GCVE-0-2026-29131)

Vulnerability from cvelistv5 – Published: 2026-04-02 08:46 – Updated: 2026-04-02 13:31
VLAI
Title
PGP Decryption Recipient LDAP Injection
Summary
SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users.
Severity
4.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-02 13:16 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
NCSC.ch CNA under the mitre root
CNA scorecard B 80/100 over 74 records in the last 180 days details
References
Impacted products
Vendor Product Version
SEPPmail Secure Email Gateway Affected: 0 , < 15.0.3 (custom)
    cpe:2.3:a:seppmail:seppmail_secure_email_gateway:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Andris Suter-Dörig Matteo Scarlata Kenny Paterson
Show details on NVD website
To clipboard 

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CVE-2026-27860 (GCVE-0-2026-27860)

Vulnerability from cvelistv5 – Published: 2026-03-27 08:10 – Updated: 2026-03-27 12:33
VLAI
Summary
If auth_username_chars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions and allows probing of LDAP structure. Do not clear out auth_username_chars, or install fixed version. No publicly available exploits are known.
Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-27 12:33 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
OX CNA under the mitre root
CNA scorecard C 61/100 over 74 records in the last 180 days details
References
Impacted products
Vendor Product Version
Open-Xchange GmbH OX Dovecot Pro Affected: 0 , ≤ 3.1.0 (semver)
Affected: 0 , ≤ 2.4.0 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-25560 (GCVE-0-2026-25560)

Vulnerability from cvelistv5 – Published: 2026-02-07 21:56 – Updated: 2026-07-14 15:53
VLAI
Title
WeKan < 8.19 LDAP Authentication Filter Injection
Summary
WeKan versions prior to 8.19 contain an LDAP filter injection vulnerability in LDAP authentication. User-supplied username input is incorporated into LDAP search filters and DN-related values without adequate escaping, allowing an attacker to manipulate LDAP queries during authentication.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 16:19 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6368 records in the last 180 days details
References
Impacted products
Vendor Product Version
WeKan WeKan Affected: 0 , < 8.19 (custom)
    cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Joshua Rogers
Show details on NVD website
To clipboard 

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CVE-2026-24130 (GCVE-0-2026-24130)

Vulnerability from cvelistv5 – Published: 2026-01-22 22:53 – Updated: 2026-01-23 20:03
VLAI
Title
Moonraker with LDAP Enabled Allows Malicious Search Filter Injection
Summary
Moonraker is a Python web server providing API access to Klipper 3D printing firmware. In versions 0.9.3 and below, instances configured with the "ldap" component enabled are vulnerable to LDAP search filter injection techniques via the login endpoint. The 401 error response message can be used to determine whether or not a search was successful, allowing for brute force methods to discover LDAP entries on the server such as user IDs and user attributes. This issue has been fixed in version 0.10.0.
Severity
2.7 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 20:03 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
  • CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7760 records in the last 180 days details
References
Impacted products
Vendor Product Version
Arksine moonraker Affected: < 0.10.0
Create a notification for this product.
Show details on NVD website
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CVE-2026-21880 (GCVE-0-2026-21880)

Vulnerability from cvelistv5 – Published: 2026-01-08 00:59 – Updated: 2026-01-08 18:29
VLAI
Title
Kanboard LDAP Injection Vulnerability can Lead to User Enumeration and Information Disclosure
Summary
Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below have an LDAP Injection vulnerability in the LDAP authentication mechanism. User-supplied input is directly substituted into LDAP search filters without proper sanitization, allowing attackers to enumerate all LDAP users, discover sensitive user attributes, and perform targeted attacks against specific accounts. This issue is fixed in version 1.2.49.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-08 18:29 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7760 records in the last 180 days details
References
Impacted products
Vendor Product Version
kanboard kanboard Affected: < 1.2.49
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-19930 (GCVE-0-2026-19930)

Vulnerability from cvelistv5 – Published: 2026-08-16 03:15 – Updated: 2026-08-17 17:21 X_Open Source
VLAI
Title
Dolibarr User Cloning card.php ldap injection
Summary
A security flaw has been discovered in Dolibarr up to 23.0.3. Affected is an unknown function of the file htdocs/user/card.php of the component User Cloning. The manipulation of the argument ID results in ldap injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as 798e65356ede03c2812ab1a728f23fae34de5592. It is advisable to implement a patch to correct this issue.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 17:20 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3806 records in the last 180 days details
References
Impacted products
Vendor Product Version
n/a Dolibarr Affected: 23.0.0
Affected: 23.0.1
Affected: 23.0.2
Affected: 23.0.3
    cpe:2.3:a:dolibarr:dolibarr:*:*:*:*:*:*:*:*
Credits
Abderrahmane Aksoum (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-19271 (GCVE-0-2026-19271)

Vulnerability from cvelistv5 – Published: 2026-08-26 13:44 – Updated: 2026-08-26 15:43
VLAI
Title
Blind LDAP Injection in Sign-In Endpoint in TÜBİTAK BİLGEM's Liderahenk
Summary
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute Liderahenk allows LDAP Injection. This issue affects Liderahenk: from 3.4.0 before 3.5.5.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:43 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
TR-CERT CNA under the mitre root
CNA scorecard C 75/100 over 269 records in the last 180 days details
References
Impacted products
Date Public
2026-08-26 13:36
Credits
Emre DOĞAN
Show details on NVD website
To clipboard 

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CVE-2026-16071 (GCVE-0-2026-16071)

Vulnerability from cvelistv5 – Published: 2026-08-05 13:50 – Updated: 2026-08-31 14:20
VLAI
Title
Keycloak-services: keycloak-services: ldap entry-dn user search bypasses configured users dn boundary
Summary
A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name (DN). Due to missing validation, the system allows lookups for users located outside the configured search boundary, leading to the disclosure of account information from unauthorized parts of the directory and unintended importing of those users into local storage.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 14:17 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
  • CWE-269 - Improper Privilege Management
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1036 records in the last 180 days details
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:50846 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50847 vendor-advisoryx_refsource_REDHAT
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https://access.redhat.com/security/cve/CVE-2026-16071 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2501720 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4.14-1 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4-22 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.4.14     cpe:/a:redhat:build_keycloak:26.4::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6.5-1 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6-11 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6.5     cpe:/a:redhat:build_keycloak:26.6::el9
Create a notification for this product.
Red Hat Red Hat Data Grid 8     cpe:/a:redhat:jboss_data_grid:8
Create a notification for this product.
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack     cpe:/a:redhat:jbosseapxp
Create a notification for this product.
Red Hat Red Hat Single Sign-On 7     cpe:/a:redhat:red_hat_single_sign_on:7
Create a notification for this product.
Date Public
2026-08-05 02:02
Credits
Red Hat would like to thank Paul Bottinelli (Trail of Bits in collaboration with OpenAI) for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-13696 (GCVE-0-2026-13696)

Vulnerability from cvelistv5 – Published: 2026-07-07 11:15 – Updated: 2026-07-07 13:23
VLAI
Title
LDAP Injection in HAVELSAN's Liman MYS
Summary
Improper neutralization of special elements used in an LDAP query ('LDAP injection') vulnerability in HAVELSAN Inc. Liman MYS allows LDAP Injection. This issue affects Liman MYS: before release.Master.1107.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-07 13:23 UTC
CWE
  • CWE-90 - Improper neutralization of special elements used in an LDAP query ('LDAP injection')
Assigner
TR-CERT CNA under the mitre root
CNA scorecard C 75/100 over 269 records in the last 180 days details
References
Impacted products
Vendor Product Version
HAVELSAN Inc. Liman MYS Affected: 0 , < release.master.1107 (custom)
Create a notification for this product.
Date Public
2026-07-07 11:13
Credits
Enes Can ADIL
Show details on NVD website
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Mitigation MIT-5
Implementation

Strategy: Input Validation

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
CAPEC-136: LDAP Injection

An attacker manipulates or crafts an LDAP query for the purpose of undermining the security of the target. Some applications use user input to create LDAP queries that are processed by an LDAP server. For example, a user might provide their username during authentication and the username might be inserted in an LDAP query during the authentication process. An attacker could use this input to inject additional commands into an LDAP query that could disclose sensitive information. For example, entering a * in the aforementioned query might return information about all users on the system. This attack is very similar to an SQL injection attack in that it manipulates a query to gather additional information or coerce a particular return value.

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