Critical severity · published Aug 10, 2026
CVE-2026-40920
Apache Ranger: Privilege Escalation via URL Parameter
9.8
CVSS
0.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AR
Apache Ranger · Apache Software Foundation
through 2.8.0 · source: vendor
RA
Ranger · Apache
before 2.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-40920
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40920
Mailing List
https://lists.apache.org/thread/zh92fob9gqp196rvz3x9t0d2fnq9g27d
Mailing List
http://www.openwall.com/lists/oss-security/2026/08/09/4
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