Quick answers
- Is CVE-2026-40920 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-40920 being exploited in the wild.
- How severe is CVE-2026-40920?
- Critical severity, with a CVSS score of 9.8, published 10 August 2026.
- Which products and versions are affected?
- Apache Ranger through 2.8.0.
- Is there a fix for CVE-2026-40920?
- A patch was published on 2026: Fixed in version 2.9.0 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-40920 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-40920?
- Check whether you run Apache Ranger at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A privilege escalation vulnerability exists in Apache Ranger through version 2.8.0, exploitable via URL parameter manipulation. The vulnerability allows an authenticated or unauthenticated attacker to bypass authorization controls and escalate privileges on the platform. Attack vectors and specific preconditions are not detailed in the advisory, but the critical CVSS score (9.8) suggests significant exploitability with low complexity. The vulnerability is fixed in version 2.9.0; affected users should upgrade immediately.
Affected products
- Apache Ranger through 2.8.0
Timeline
- 2026-08-09: disclosed
- 2026-08-10: published
- 2026: patched: Fixed in version 2.9.0