CVE-2026-40920 — CRITICAL (9.8)

Q: What is CVE-2026-40920?

CVE-2026-40920 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Privilege Escalation via URL Parameter is reported in Apache Ranger versions <= 2.8.0. Users are recommended to upgrade to version 2.9.0, which fixes this issue.

Q: How severe is CVE-2026-40920?

CVE-2026-40920 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-40920?

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

Vulnerability Description

Privilege Escalation via URL Parameter is reported in Apache Ranger versions <= 2.8.0. Users are recommended to upgrade to version 2.9.0, which fixes this issue.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apache	Ranger	< 2.9.0

Related Weaknesses (CWE)

CWE-287 CWE-269 CWE-20

References

https://lists.apache.org/thread/zh92fob9gqp196rvz3x9t0d2fnq9g27dMailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/08/09/4Mailing ListThird Party Advisory

FAQ

What is CVE-2026-40920?

CVE-2026-40920 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Privilege Escalation via URL Parameter is reported in Apache Ranger versions <= 2.8.0. Users are recommended to upgrade to version 2.9.0, which fixes this issue.

How severe is CVE-2026-40920?

CVE-2026-40920 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-40920?

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