VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVPublished CVSS 9.8 criticalEPSS 0.7% probability of exploitation in 30 days
Apache

CVE-2026-40920: Apache Ranger: Privilege Escalation via URL Parameter

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?
0.7%

EPSS score, percentile 54.2 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
9.8 Critical

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

Advisories and patches (1)

Which versions are affected?

Affected

  • 2.8.0 and earlier

Versions by product

Source: CISA KEV 2026.10.29, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

What to do

Advisories and patches

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

As listed in the CVE record.

Apache Software Foundation Apache Ranger
StatusVersions
Affected2.8.0 and earlier

Versions not listed are: unaffected.

Source: CVE List, as of . About the data.

About this vulnerability

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.

Summary: CVE record, as of .

  • CISA has not added CVE-2026-40920 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
  • The CVE record was published on 10 Aug 2026.
  • The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), taken from CISA's enrichment of the record.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.7% (percentile 54.2), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
  • CISA's SSVC assessment in the CVE record: exploitation none, automatable yes, technical impact total.

Source: CISA KEV 2026.10.29, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.

Description

Apache Ranger: Privilege Escalation via URL Parameter

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.

Source: CVE List, as of . About the data.

Weakness

CWE-269, CWE-20, CWE-287
  • CWE-269: Improper Privilege Management
  • CWE-20: Improper Input Validation
  • CWE-287: Improper Authentication

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published
CVE record last updated

Known exploited Apache vulnerabilities

  • CVE-2016-3081: Apache Struts Command Injection Vulnerability (added )
  • CVE-2026-34486: Apache Tomcat Missing Encryption of Sensitive Data Vulnerability (added )
  • CVE-2026-34197: Apache ActiveMQ Improper Input Validation Vulnerability (added )
  • CVE-2024-38475: Apache HTTP Server Improper Escaping of Output Vulnerability (added )
  • CVE-2025-24813: Apache Tomcat Path Equivalence Vulnerability (added )