CWE-90
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Description
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.
Hierarchy (View 1000)
Parents
Children
none
Related attack patterns (CAPEC)
CAPEC-136
CVEs mapped to this weakness (91)
page 2 of 5| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-31828 | Hig | 0.50 | 8.8 | 0.00 | Mar 10, 2026 | Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.13 and 8.6.26, the LDAP authentication adapter is vulnerable to LDAP injection. User-supplied input (authData.id) is interpolated directly into LDAP… | ||
| CVE-2025-48208 | Hig | 0.50 | 8.8 | 0.01 | Sep 9, 2025 | Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') vulnerability in Apache HertzBeat . The attacker needs to have an authenticated account with access, and the attack can only be triggered by crafting custom commands. A successful… | ||
| CVE-2023-29050 | Hig | 0.50 | 7.6 | 0.02 | Jan 8, 2024 | The optional "LDAP contacts provider" could be abused by privileged users to inject LDAP filter strings that allow to access content outside of the intended hierarchy. Unauthorized users could break confidentiality of information in the directory and potentially cause high load… | ||
| CVE-2026-19271 | Hig | 0.49 | 7.5 | 0.00 | Aug 26, 2026 | 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. | ||
| CVE-2026-11770 | Hig | 0.49 | 7.5 | 0.01 | Jul 31, 2026 | A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search against cn=config with elevated replication plugin privileges and… | ||
| CVE-2026-29138 | Hig | 0.49 | 7.5 | 0.00 | Apr 2, 2026 | 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. | ||
| CVE-2026-29131 | Hig | 0.49 | 7.5 | 0.00 | Apr 2, 2026 | 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. | ||
| CVE-2025-67493 | Hig | 0.49 | 7.5 | 0.00 | Dec 17, 2025 | Homarr is an open-source dashboard. Prior to version 1.45.3, it was possible to craft an input which allowed privilege escalation and getting access to groups of other users due to missing sanitization of inputs in ldap search query. The vulnerability could impact all instances… | ||
| CVE-2023-3447 | Hig | 0.49 | 7.6 | 0.01 | Jun 29, 2023 | The Active Directory Integration / LDAP Integration plugin for WordPress is vulnerable to LDAP Injection in versions up to, and including, 4.1.5. This is due to insufficient escaping on the supplied username value. This makes it possible for attackers, with an existing account… | ||
| CVE-2021-23335 | Hig | 0.49 | 7.5 | 0.01 | Feb 11, 2021 | All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure. | ||
| CVE-2017-4927 | Hig | 0.49 | 7.5 | 0.02 | Nov 17, 2017 | VMware vCenter Server (6.5 prior to 6.5 U1 and 6.0 prior to 6.0 U3c) does not correctly handle specially crafted LDAP network packets which may allow for remote denial of service. | ||
| CVE-2024-56841 | Hig | 0.48 | 7.4 | 0.01 | Jan 14, 2025 | A vulnerability has been identified in Mendix LDAP (All versions < V1.1.2). Affected versions of the module are vulnerable to LDAP injection. This could allow an unauthenticated remote attacker to bypass username verification. | ||
| CVE-2026-40193 | Hig | 0.46 | 8.2 | 0.00 | Apr 16, 2026 | maddy is a composable, all-in-one mail server. Versions prior to 0.9.3 contain an LDAP injection vulnerability in the auth.ldap module where user-supplied usernames are interpolated into LDAP search filters and DN strings via strings.ReplaceAll() without any LDAP filter… | ||
| CVE-2026-34578 | Hig | 0.46 | 8.2 | 0.00 | Apr 9, 2026 | OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldap_escape(). An unauthenticated attacker can inject LDAP filter metacharacters… | ||
| CVE-2026-1498 | Hig | 0.46 | — | 0.01 | Jan 30, 2026 | An LDAP Injection vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to retrieve sensitive information from a connected LDAP authentication server through an exposed authentication or management web interface. This vulnerability may also allow a… | ||
| CVE-2021-41232 | Hig | 0.46 | 8.1 | 0.02 | Nov 2, 2021 | Thunderdome is an open source agile planning poker tool in the theme of Battling for points. In affected versions there is an LDAP injection vulnerability which affects instances with LDAP authentication enabled. The provided username is not properly escaped. This issue has been… | ||
| CVE-2026-11748 | Med | 0.45 | — | 0.01 | Jun 22, 2026 | A vulnerability has been identified in centraldogma-server-auth-shiro versions prior to 0.84.0, where the SearchFirstActiveDirectoryRealm substitutes the login username into an LDAP search filter without neutralizing LDAP filter metacharacters, allowing an unauthenticated… | ||
| CVE-2026-78579 | Med | 0.44 | 6.8 | 0.00 | Sep 8, 2026 | The Okta Access Gateway does not sanitize SAML assertion attribute values before interpolating them into LDAP search filters in the LDAP datastore configuration. The raw values are substituted directly into the filter string and passed to the LDAP search operation, resulting in… | ||
| CVE-2021-43782 | Med | 0.44 | 6.7 | 0.01 | Dec 15, 2021 | Tuleap is a Libre and Open Source tool for end to end traceability of application and system developments. This is a follow up to GHSA-887w-pv2r-x8pm/CVE-2021-41276, the initial fix was incomplete. Tuleap does not sanitize properly the search filter built from the ldap_id… | ||
| CVE-2021-41276 | Med | 0.44 | 6.7 | 0.01 | Dec 15, 2021 | Tuleap is a Libre and Open Source tool for end to end traceability of application and system developments. In affected versions Tuleap does not sanitize properly the search filter built from the ldap_id attribute of a user during the daily synchronization. A malicious user could… |
- risk 0.50cvss 8.8epss 0.00
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.13 and 8.6.26, the LDAP authentication adapter is vulnerable to LDAP injection. User-supplied input (authData.id) is interpolated directly into LDAP…
- risk 0.50cvss 8.8epss 0.01
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') vulnerability in Apache HertzBeat . The attacker needs to have an authenticated account with access, and the attack can only be triggered by crafting custom commands. A successful…
- risk 0.50cvss 7.6epss 0.02
The optional "LDAP contacts provider" could be abused by privileged users to inject LDAP filter strings that allow to access content outside of the intended hierarchy. Unauthorized users could break confidentiality of information in the directory and potentially cause high load…
- risk 0.49cvss 7.5epss 0.00
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.
- risk 0.49cvss 7.5epss 0.01
A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search against cn=config with elevated replication plugin privileges and…
- risk 0.49cvss 7.5epss 0.00
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.
- risk 0.49cvss 7.5epss 0.00
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.
- risk 0.49cvss 7.5epss 0.00
Homarr is an open-source dashboard. Prior to version 1.45.3, it was possible to craft an input which allowed privilege escalation and getting access to groups of other users due to missing sanitization of inputs in ldap search query. The vulnerability could impact all instances…
- risk 0.49cvss 7.6epss 0.01
The Active Directory Integration / LDAP Integration plugin for WordPress is vulnerable to LDAP Injection in versions up to, and including, 4.1.5. This is due to insufficient escaping on the supplied username value. This makes it possible for attackers, with an existing account…
- risk 0.49cvss 7.5epss 0.01
All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure.
- risk 0.49cvss 7.5epss 0.02
VMware vCenter Server (6.5 prior to 6.5 U1 and 6.0 prior to 6.0 U3c) does not correctly handle specially crafted LDAP network packets which may allow for remote denial of service.
- risk 0.48cvss 7.4epss 0.01
A vulnerability has been identified in Mendix LDAP (All versions < V1.1.2). Affected versions of the module are vulnerable to LDAP injection. This could allow an unauthenticated remote attacker to bypass username verification.
- risk 0.46cvss 8.2epss 0.00
maddy is a composable, all-in-one mail server. Versions prior to 0.9.3 contain an LDAP injection vulnerability in the auth.ldap module where user-supplied usernames are interpolated into LDAP search filters and DN strings via strings.ReplaceAll() without any LDAP filter…
- risk 0.46cvss 8.2epss 0.00
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldap_escape(). An unauthenticated attacker can inject LDAP filter metacharacters…
- risk 0.46cvss —epss 0.01
An LDAP Injection vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to retrieve sensitive information from a connected LDAP authentication server through an exposed authentication or management web interface. This vulnerability may also allow a…
- risk 0.46cvss 8.1epss 0.02
Thunderdome is an open source agile planning poker tool in the theme of Battling for points. In affected versions there is an LDAP injection vulnerability which affects instances with LDAP authentication enabled. The provided username is not properly escaped. This issue has been…
- risk 0.45cvss —epss 0.01
A vulnerability has been identified in centraldogma-server-auth-shiro versions prior to 0.84.0, where the SearchFirstActiveDirectoryRealm substitutes the login username into an LDAP search filter without neutralizing LDAP filter metacharacters, allowing an unauthenticated…
- risk 0.44cvss 6.8epss 0.00
The Okta Access Gateway does not sanitize SAML assertion attribute values before interpolating them into LDAP search filters in the LDAP datastore configuration. The raw values are substituted directly into the filter string and passed to the LDAP search operation, resulting in…
- risk 0.44cvss 6.7epss 0.01
Tuleap is a Libre and Open Source tool for end to end traceability of application and system developments. This is a follow up to GHSA-887w-pv2r-x8pm/CVE-2021-41276, the initial fix was incomplete. Tuleap does not sanitize properly the search filter built from the ldap_id…
- risk 0.44cvss 6.7epss 0.01
Tuleap is a Libre and Open Source tool for end to end traceability of application and system developments. In affected versions Tuleap does not sanitize properly the search filter built from the ldap_id attribute of a user during the daily synchronization. A malicious user could…