Common Weakness Enumeration

CWE-90

Allowed

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

Abstraction: Base · Status: Draft

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.

154 vulnerabilities reference this CWE, most recent first.

CVE-2026-101145 (GCVE-0-2026-101145)

Vulnerability from cvelistv5 – Published: 2026-09-28 20:15 – Updated: 2026-10-01 14:55
VLAI
Title
Eleveo Call Recording Software User Management userAddAction.do ldap injection
Summary
A vulnerability was identified in Eleveo Call Recording Software 9.7.0. This vulnerability affects unknown code of the file /callrec/userAddAction.do of the component User Management. Such manipulation of the argument Username leads to ldap injection. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 14:55 UTC
CWE
References
URL Tags
https://vuldb.com/vuln/410997 vdb-entrytechnical-description
https://vuldb.com/vuln/410997/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-101145 third-party-advisory
https://vuldb.com/submit/894911 third-party-advisory
https://drive.google.com/file/d/1DZ44Uq3fy7pQYcKw… exploit
Impacted products
Vendor Product Version
Eleveo Call Recording Software Affected: 9.7.0
    cpe:2.3:a:eleveo:call_recording_software:*:*:*:*:*:*:*:*
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Show details on NVD website

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CVE-2026-94053 (GCVE-0-2026-94053)

Vulnerability from cvelistv5 – Published: 2026-09-30 09:43 – Updated: 2026-09-30 14:30
VLAI
Title
Apache MINA SSHD: LDAP injection in sshd-ldap
Summary
Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. The optional sshd-ldap component provides support for integrating password and publickey authentication on the server side with an LDAP server. sshd-ldap is an optional component. SSH servers implemented with Apache MINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication. Other Apache MINA SSHD servers are not affected. Lack of escaping LDAP filter metacharacters enabled successful authentication with username "*" and password "*". Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:29 UTC
CWE
  • CWE-90 - Improper neutralization of special elements used in an LDAP query ('LDAP injection')
  • CWE-305 - Authentication bypass by primary weakness
Impacted products
Vendor Product Version
Apache Software Foundation Apache MINA SSHD Affected: 1.2.0 , < 2.20.0 (maven)
Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
Create a notification for this product.
Show details on NVD website

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CVE-2026-90979 (GCVE-0-2026-90979)

Vulnerability from cvelistv5 – Published: 2026-09-28 09:34 – Updated: 2026-09-30 19:53
VLAI
Title
Apache Karaf: LDAP filter injection in JAAS LDAP login modules
Summary
LDAPCache and LDAPBackingEngine build LDAP search filters for user lookup and role lookup by textually substituting the placeholders %u, %dn, and %fqdn (drawn from the login name, the resolved user DN, and its fully qualified namespace form) into administrator-configured filter templates (userFilter, roleFilter). Before the fix, the only sanitization applied to the substituted value was double backslashed: filter = filter.replaceAll(Pattern.quote("%u"), Matcher.quoteReplacement(user)); filter = filter.replace("\\", "\\\\"); This does not escape the other characters RFC 4515 requires escaping in an LDAP search filter: *, (, ), and NUL. A login name containing any of these can change the structure of the resulting filter rather than being matched as a literal value (e.g. a crafted username can turn an equality match into a wildcard match, or close/reopen filter clauses), widening what the search returns and potentially causing a login or role lookup to match an LDAP entry other than the intended one, over-granting roles, and depending on deployment-specific filter templates, potentially affecting which account a login resolved to. It's not exploitable through every entry points: LDAPLoginModule and LDAPPubkeyLoginModule both called Util.doRFC2254Encoding() (correct RFC 4515 escaping) on the login name before handing it to LDAPCache, which masked the missing escaping in LDAPCache for those two call paths. Using LDAPCache directly (bypassing the login modules) does not reproduce through the normal LDAPLoginModule/LDAPPubkeyLoginModule authentication flow for this reason. It does reproduce through two other call paths that reach LDAPCache/LDAPBackingEngine without any prior escaping: * GSSAPILdapLoginModule passes the NameCallback name straight through, unescaped. * LDAPBackingEngine (listRoles) passes principal.getName() straight through, unescaped.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:53 UTC
CWE
  • CWE-90 - Improper neutralization of special elements used in an LDAP query ('LDAP injection')
Impacted products
Vendor Product Version
Apache Software Foundation Apache Karaf Affected: 0 , < 4.4.12 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-81205 (GCVE-0-2026-81205)

Vulnerability from cvelistv5 – Published: 2026-09-02 12:31 – Updated: 2026-09-02 19:10
VLAI
Title
LDAP / Active Directory Integration - Moderately critical - Information Disclosure - SA-CONTRIB-2026-115
Summary
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') vulnerability in Drupal LDAP / Active Directory Integration allows LDAP Injection. This issue affects LDAP / Active Directory Integration versions: from 0.0.0 to 2.2.1.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-02 19:10 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
References
Impacted products
Vendor Product Version
Drupal LDAP / Active Directory Integration Affected: 0.0.0 , < 2.2.1 (semver)
Create a notification for this product.
Date Public
2026-08-26 17:43
Show details on NVD website

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CVE-2026-80055 (GCVE-0-2026-80055)

Vulnerability from cvelistv5 – Published: 2026-09-09 07:46 – Updated: 2026-09-09 13:02
VLAI
Summary
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to script injection.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 13:02 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
References
Impacted products
Vendor Product Version
Dell Secure Connect Gateway 5.0 - Application Affected: 0 , < 5.36.00.00 or later (semver)
Create a notification for this product.
Dell Secure Connect Gateway 5.0 - Appliance Affected: 0 , < 5.36.00.16 or later (semver)
Create a notification for this product.
Date Public
2026-08-31 06:30
Show details on NVD website

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CVE-2026-76373 (GCVE-0-2026-76373)

Vulnerability from cvelistv5 – Published: 2026-08-19 21:34 – Updated: 2026-08-20 16:27
VLAI
Title
Filter Injection through Action Parameters in AD LDAP app for Splunk SOAR
Summary
In versions below 2.3.8 of the AD LDAP app for Splunk SOAR, a user who holds a role with permission to run actions could inject crafted input into an Active Directory query to enumerate Active Directory objects, including accounts, groups, and organizational units, read sensitive attributes from arbitrary directory objects, and redirect account modification actions to unintended objects. For more information see Run an action in Splunk SOAR (https://help.splunk.com/en/splunk-soar/soar-on-premises/use-splunk-soar-on-premises/8.6.0/use-the-command-line-interface-to-perform-tasks-in-splunk-soar-on-premises/run-an-action-in-splunk-soar-on-premises).
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 16:09 UTC
CWE
  • CWE-90 - The software 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.
Impacted products
Vendor Product Version
Splunk AD LDAP app for Splunk SOAR Affected: 2.3 , < 2.3.8 (custom)
Create a notification for this product.
Date Public
2026-08-19 00:00
Show details on NVD website

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CVE-2026-75020 (GCVE-0-2026-75020)

Vulnerability from cvelistv5 – Published: 2026-08-27 09:14 – Updated: 2026-08-27 12:09
VLAI
Title
Apache APISIX: ldap-auth plugin cross-subtree identity impersonation
Summary
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') vulnerability in Apache APISIX. A caller who holds valid credentials for one entry in the LDAP directory can authenticate through APISIX as a consumer mapped to a different entry, one the plugin's configured scope was meant to keep out of reach. This issue affects Apache APISIX: from 2.11.0 through 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 12:09 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Impacted products
Vendor Product Version
Apache Software Foundation Apache APISIX Affected: 2.11.0 , ≤ 3.17.0 (semver)
Create a notification for this product.
Credits
Show details on NVD website

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CVE-2026-74241 (GCVE-0-2026-74241)

Vulnerability from cvelistv5 – Published: 2026-08-14 22:43 – Updated: 2026-08-17 15:51
VLAI
Title
Quay: ldap referral filter injection in quay external ldap authentication
Summary
A flaw was found in Red Hat Quay's external Lightweight Directory Access Protocol (LDAP) authentication handling. When an LDAP referral is returned during authentication, the system does not properly escape the username input. This allows an attacker to inject LDAP filter metacharacters, enabling user-existence oracle attacks at the referral Directory Name (DN). This could also potentially influence which DN is used for password binding in multi-domain Active Directory environments.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 15:51 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-74241 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2516141 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat OpenShift Update Service     cpe:/a:redhat:openshift_update_service:5
Create a notification for this product.
Red Hat Red Hat Quay 3     cpe:/a:redhat:quay:3
Create a notification for this product.
Date Public
2026-08-14 00:00
Show details on NVD website

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CVE-2026-67223 (GCVE-0-2026-67223)

Vulnerability from cvelistv5 – Published: 2026-09-25 16:15 – Updated: 2026-09-25 17:51
VLAI
Title
RabbitMQ: LDAP DN injection via unescaped substitution
Summary
RabbitMQ is a messaging and streaming broker. The advisory establishes affected 3.13, 4.0, 4.1, 4.2, and 4.3 maintenance lines but contains conflicting first-fixed versions for the 3.13, 4.0, and 4.1 lines. fill/2 substitutes ${username} into user_dn_pattern without RFC 4514 DN escaping, allowing a crafted username to alter the LDAP bind DN and potentially select a different directory entry. Exploitation requires rabbitmq_auth_backend_ldap with a user_dn_pattern containing ${username}, a directory layout in which the injected suffix resolves usefully, and a password valid for the resulting DN. The advisory body identifies 3.13.15, 4.0.20, 4.1.11, 4.2.9, and 4.3.3 as fixed, while structured metadata identifies 3.13.18, 4.0.23, 4.1.14, 4.2.9, and 4.3.3. No fixed-version assertion is certifiable until a curator resolves this conflict.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-25 17:50 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Impacted products
Vendor Product Version
rabbitmq rabbitmq-server Affected: >= 3.13.0, < 3.13.18
Affected: >= 4.0.0, < 4.0.23
Affected: >= 4.1.0, < 4.1.14
Affected: >= 4.2.0, < 4.2.9
Affected: >= 4.3.0, < 4.3.3
Create a notification for this product.
Show details on NVD website

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CVE-2026-59652 (GCVE-0-2026-59652)

Vulnerability from cvelistv5 – Published: 2026-08-03 00:39 – Updated: 2026-08-03 13:30
VLAI
Title
LDAP filter injection in legacy jdk1.4 LDAPStoreHelper
Summary
In Bouncy Castle for Java before 1.85, LDAP filter injection in legacy jdk1.4 LDAPStoreHelper.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 13:30 UTC
CWE
  • CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Impacted products
Vendor Product Version
Legion of the Bouncy Castle Inc. BC-JAVA Affected: 0 , < 1.85 (maven)
Create a notification for this product.
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.