Common Weakness Enumeration
CWE-90
AllowedImproper 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.
114 vulnerabilities reference this CWE, most recent first.
CVE-2026-49268 (GCVE-0-2026-49268)
Vulnerability from cvelistv5 – Published: 2026-06-17 13:07 – Updated: 2026-06-17 17:02
VLAI
EPSS
VEX
Title
Apache Shiro: LDAP DN Injection in DefaultLdapRealm
Summary
A remote attacker can inject LDAP special characters into the Distinguished Name (DN) construction in DefaultLdapRealm class. User-supplied username input is directly concatenated into the LDAP DN template without any escaping of RFC 2253 special characters. This allows an attacker to manipulate the DN structure used for LDAP bind authentication, potentially bypassing authentication or impersonating other users.
This issue affects all Apache Shiro versions through 2.2.0, and 3.0.0-alpha-1 when using DefaultLdapRealm
Upgrade to Apache Shiro 2.2.1 or 3.0.0-alpha-2 or later, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Shiro |
Affected:
0 , ≤ 2.2.0
(semver)
Affected: 3.0.0-alpha-0 , ≤ 3.0.0-alpha-1 (semver) |
Credits
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CVE-2026-47303 (GCVE-0-2026-47303)
Vulnerability from cvelistv5 – Published: 2026-07-14 18:45 – Updated: 2026-07-15 03:57
VLAI
EPSS
VEX
Title
ASP.NET Core Elevation of Privilege Vulnerability
Summary
Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | .NET 10.0 |
Affected:
10.0.0 , < 10.0.6
(custom)
|
|
| Microsoft | .NET 8.0 |
Affected:
8.0.0 , < 8.0.29
(custom)
|
|
| Microsoft | .NET 9.0 |
Affected:
9.0.0 , < 9.0.18
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.12 |
Affected:
17.12.0 , < 17.12.22
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 |
Affected:
17.14.0 , < 17.14.36
(custom)
|
|
| Microsoft | Microsoft Visual Studio 2026 version 18.7 |
Affected:
18.0 , < 18.7.4
(custom)
|
Date Public
2026-07-14 14:00
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CVE-2026-46745 (GCVE-0-2026-46745)
Vulnerability from cvelistv5 – Published: 2026-05-25 10:41 – Updated: 2026-05-26 20:08
VLAI
EPSS
VEX
Title
Apache Airflow FAB provider: LDAP Filter Injection in FAB Auth Manager _search_ldap reachable via /auth/token
Summary
Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-90 - (LDAP Injection)
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Airflow FAB provider |
Affected:
0 , < 3.6.4
(semver)
|
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CVE-2026-45559 (GCVE-0-2026-45559)
Vulnerability from cvelistv5 – Published: 2026-06-10 14:02 – Updated: 2026-06-10 14:59
VLAI
EPSS
VEX
Title
Roxy-WI: LDAP injection in /user/ldap/<username> (admin-only)
Summary
Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior, get_ldap_email (app/modules/roxywi/user.py:120-157) builds the LDAP search filter via f-string concatenation. The username URL path parameter is taken verbatim — no checkAjaxInput, no LDAP escape — and inserted, a username like *)(mail=*)(cn=* injects additional clauses, allowing the admin to enumerate or harvest attributes outside the intended record. At time of publication, there are no publicly available patches.
Severity
4.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/roxy-wi/roxy-wi/security/advis… | x_refsource_CONFIRM |
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CVE-2026-44930 (GCVE-0-2026-44930)
Vulnerability from cvelistv5 – Published: 2026-05-22 12:16 – Updated: 2026-07-15 00:53
VLAI
EPSS
VEX
Title
Apache CXF: LDAP Injection vulnerability in XKMS LDAP Repository
Summary
An LDAP injection vulnerability in the LDAP Certificate repository of the XKMS server in Apache CXF may allow an attacker to retrieve arbitrary certificates from the repository.
Users are recommended to upgrade to versions 4.2.1, 4.1.6 or 3.6.11, which fix this issue.
Severity
4.3 (Medium)
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/c1zqxppo1m5z3kbdh… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/05/22/9 | |
| https://access.redhat.com/security/cve/CVE-2026-44930 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2480728 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:37390 | vendor-advisoryx_refsource_REDHAT |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache CXF |
Affected:
4.2.0 , < 4.2.1
(semver)
Affected: 4.0.0 , < 4.1.6 (semver) Affected: 0 , < 3.6.11 (semver) |
|
| Red Hat | Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16 |
Unaffected:
repo-ldap , < *
(rpm)
cpe:/a:redhat:apache_camel_spring_boot:4.18 |
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
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CVE-2026-44671 (GCVE-0-2026-44671)
Vulnerability from cvelistv5 – Published: 2026-05-14 21:13 – Updated: 2026-05-15 18:05
VLAI
EPSS
VEX
Title
ZITADEL: LDAP Filter Injection in Login Flow
Summary
ZITADEL is an open source identity management platform. From 2.71.11 to before 3.4.10 and 4.15.0, a vulnerability was discovered in Zitadel's LDAP identity provider implementation, which fails to properly escape user-provided usernames before incorporating them into LDAP search filters. This allows unauthenticated attackers to perform LDAP Filter Injection during the login process. While this vulnerability does not allow for a full authentication bypass, an attacker can use LDAP metacharacters (such as *, (, )) to perform blind LDAP injection. By observing the different failure (or success) responses, an attacker can systematically enumerate valid usernames and extract sensitive attribute data from the connected LDAP directory. This vulnerability is fixed in 3.4.10 and 4.15.0.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/zitadel/zitadel/security/advis… | x_refsource_CONFIRM |
| https://github.com/zitadel/zitadel/releases/tag/v3.4.10 | x_refsource_MISC |
| https://github.com/zitadel/zitadel/releases/tag/v4.15.0 | x_refsource_MISC |
Impacted products
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CVE-2026-44304 (GCVE-0-2026-44304)
Vulnerability from cvelistv5 – Published: 2026-05-12 21:27 – Updated: 2026-05-14 12:33
VLAI
EPSS
VEX
Title
Lemur: LDAP Filter Injection enables post-authentication privilege escalation
Summary
Lemur manages TLS certificate creation. Prior to 1.9.0, Lemur's LDAP authentication module (lemur/auth/ldap.py) constructs LDAP search filters using unsanitized user input via Python string interpolation. An authenticated LDAP user can inject LDAP filter metacharacters through the username field to manipulate group membership queries and escalate their privileges to administrator. This vulnerability is fixed in 1.9.0.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Netflix/lemur/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-44063 (GCVE-0-2026-44063)
Vulnerability from cvelistv5 – Published: 2026-05-21 07:34 – Updated: 2026-05-21 12:43
VLAI
EPSS
VEX
Title
LDAP filter injection
Summary
An LDAP injection vulnerability in Netatalk 2.1.0 through 4.4.2 allows a remote authenticated attacker to manipulate LDAP queries and obtain limited information or modify LDAP entries via crafted filter input.
Severity
4.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://netatalk.io/security/CVE-2026-44063 | vendor-advisory |
Impacted products
Date Public
2026-05-13 00:00
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CVE-2026-42568 (GCVE-0-2026-42568)
Vulnerability from cvelistv5 – Published: 2026-06-10 22:15 – Updated: 2026-06-11 16:14
VLAI
EPSS
VEX
Title
Yamcs Vulnerable to LDAP Injection in LdapAuthModule
Summary
Yamcs is a mission control framework. Prior to versions 5.13.0 and 5.12.7, an LDAP injection vulnerability exists in `org.yamcs.security.LdapAuthModule` when constructing search filters. The username parameter is inserted directly into the LDAP filter without proper RFC 4515 escaping. Versions 5.13.0 and 5.12.7 patch the issue.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/yamcs/yamcs/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/yamcs/yamcs/releases/tag/yamcs… | x_refsource_MISC |
| https://github.com/yamcs/yamcs/releases/tag/yamcs… | x_refsource_MISC |
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CVE-2026-41919 (GCVE-0-2026-41919)
Vulnerability from cvelistv5 – Published: 2026-05-19 09:36 – Updated: 2026-05-19 18:37
VLAI
EPSS
VEX
Title
Apache OFBiz: Authentication Bypass due to Improper Neutralization of LDAP Special Elements in DN Construction
Summary
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') vulnerability in Apache OFBiz.
This issue affects Apache OFBiz: before 24.09.06.
Users are recommended to upgrade to version 24.09.06, which fixes the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/592czh9o69n74c036… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache OFBiz |
Affected:
0 , < 24.09.06
(semver)
|
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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.