Vulnerability DatabaseCVE-2026-75020
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CVE-2026-75020
Published:August 27, 2026
Updated:September 24, 2026
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.
Affected Packages
https://github.com/apache/apisix.git (GITHUB):
Affected version(s) >=2.11.0 <3.18.0
Fix Suggestion:
Update to version 3.18.0
Related Resources (7)
https://nvd.nist.gov/vuln/detail/CVE-2026-75020
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75020.json
https://www.cve.org/CVERecord?id=CVE-2026-75020
https://www.openwall.com/lists/oss-security/2026/08/26/14
https://lists.apache.org/thread/d4007wk6dbl9mxy5h05zxwn8fsg13bxt
http://www.openwall.com/lists/oss-security/2026/08/26/14
https://github.com/apache/apisix/commit/7bae5539816f08b30f3c534a53a43ce527771a2f
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CVSS v4
Base Score:
7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
CWE-90
EPSS
Base Score:
0.54