CVE-2026-75020 — HIGH (8.1)

Q: How severe is CVE-2026-75020?

CVE-2026-75020 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-75020?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Apisix.

Vulnerability Description

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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Apache	Apisix	>= 2.11.0, < 3.18.0

Related Weaknesses (CWE)

CWE-90

References

https://lists.apache.org/thread/d4007wk6dbl9mxy5h05zxwn8fsg13bxtMailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/08/26/14Mailing ListThird Party Advisory

FAQ

What is CVE-2026-75020?

CVE-2026-75020 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 authe...

How severe is CVE-2026-75020?

CVE-2026-75020 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-75020?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Apisix.