Apache Ranger: Privilege Escalation via URL Parameter

published 2026-08-10 2 mo ago modified 2026-10-23 16 d ago also EUVD-2026-55252

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

apache ranger 2.9.0

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 mo ago (2026-08-12)

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Apache Software Foundation Apache Ranger

Classification

Weakness

CWE-269 Improper Privilege Management
CWE-20 Improper Input Validation
CWE-287 Improper Authentication

References

lists.apache.org /thread/zh92fob9gqp196rvz3x9t0d2fnq9g27d
vendor-advisory, mailing-list
openwall.com /lists/oss-security/2026/08/09/4
mailing-list, third-party-advisory

Sources

CVE List CVE-2026-40920
NVD CVE-2026-40920

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary