CVE-2026-40920

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-10. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 17, 2026

Advisory Details (2)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

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

http://www.openwall.com/lists/oss-security/2026/08/09/4
generic
https://lists.apache.org/thread/zh92fob9gqp196rvz3x9t0d2fnq9g27d

Vendor Advisories for CVE-2026-40920(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 58× in last 7d / 80× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-21 05:49 UTCGHSA enrichment
  2. 2026-08-21 01:58 UTCEG score recompute
  3. 2026-08-21 01:58 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 22:06 UTCGHSA enrichment
  6. 2026-08-20 18:09 UTCGHSA enrichment
  7. 2026-08-20 14:17 UTCGHSA enrichment
  8. 2026-08-20 10:09 UTCGHSA enrichment
  9. 2026-08-20 06:18 UTCGHSA enrichment
  10. 2026-08-20 02:27 UTCGHSA enrichment
  11. 2026-08-19 22:36 UTCGHSA enrichment
  12. 2026-08-19 18:45 UTCEG score recompute
  13. 2026-08-19 18:45 UTCGHSA enrichment
  14. 2026-08-19 17:03 UTCEPSS rescore
  15. 2026-08-19 14:48 UTCGHSA enrichment
  16. 2026-08-19 10:57 UTCGHSA enrichment
  17. 2026-08-19 07:05 UTCGHSA enrichment
  18. 2026-08-19 03:13 UTCGHSA enrichment
  19. 2026-08-18 23:21 UTCGHSA enrichment
  20. 2026-08-18 19:30 UTCGHSA enrichment
  21. 2026-08-18 15:38 UTCEG score recompute
  22. 2026-08-18 15:38 UTCGHSA enrichment
  23. 2026-08-18 13:48 UTCEPSS rescore
  24. 2026-08-18 10:22 UTCGHSA enrichment
  25. 2026-08-18 06:30 UTCGHSA enrichment
Show 55 more
  1. 2026-08-18 02:38 UTCGHSA enrichment
  2. 2026-08-17 22:46 UTCGHSA enrichment
  3. 2026-08-17 18:54 UTCGHSA enrichment
  4. 2026-08-17 16:58 UTCEG score recompute
  5. 2026-08-17 16:58 UTCGHSA enrichment
  6. 2026-08-17 13:47 UTCEPSS rescore
  7. 2026-08-17 13:06 UTCGHSA enrichment
  8. 2026-08-17 09:15 UTCGHSA enrichment
  9. 2026-08-17 05:24 UTCGHSA enrichment
  10. 2026-08-17 01:33 UTCGHSA enrichment
  11. 2026-08-16 21:42 UTCGHSA enrichment
  12. 2026-08-16 17:51 UTCEG score recompute
  13. 2026-08-16 17:51 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 14:00 UTCGHSA enrichment
  16. 2026-08-16 10:08 UTCGHSA enrichment
  17. 2026-08-16 06:17 UTCGHSA enrichment
  18. 2026-08-16 02:26 UTCEG score recompute
  19. 2026-08-16 02:26 UTCGHSA enrichment
  20. 2026-08-16 02:14 UTCEPSS rescore
  21. 2026-08-15 22:35 UTCGHSA enrichment
  22. 2026-08-15 18:44 UTCGHSA enrichment
  23. 2026-08-15 14:53 UTCGHSA enrichment
  24. 2026-08-15 11:02 UTCGHSA enrichment
  25. 2026-08-15 07:11 UTCGHSA enrichment
  26. 2026-08-15 03:20 UTCEG score recompute
  27. 2026-08-15 03:20 UTCGHSA enrichment
  28. 2026-08-15 01:30 UTCEPSS rescore
  29. 2026-08-14 23:28 UTCGHSA enrichment
  30. 2026-08-14 19:37 UTCGHSA enrichment
  31. 2026-08-14 15:46 UTCGHSA enrichment
  32. 2026-08-14 11:55 UTCGHSA enrichment
  33. 2026-08-14 08:04 UTCGHSA enrichment
  34. 2026-08-14 04:13 UTCGHSA enrichment
  35. 2026-08-14 00:22 UTCEG score recompute
  36. 2026-08-14 00:22 UTCGHSA enrichment
  37. 2026-08-13 22:00 UTCEPSS rescore
  38. 2026-08-13 20:30 UTCGHSA enrichment
  39. 2026-08-13 16:39 UTCGHSA enrichment
  40. 2026-08-13 12:30 UTCGHSA enrichment
  41. 2026-08-13 08:36 UTCGHSA enrichment
  42. 2026-08-13 04:45 UTCGHSA enrichment
  43. 2026-08-13 00:54 UTCGHSA enrichment
  44. 2026-08-12 21:03 UTCGHSA enrichment
  45. 2026-08-12 20:27 UTCEG score recompute
  46. 2026-08-12 20:27 UTCGHSA enrichment
  47. 2026-08-12 16:36 UTCGHSA enrichment
  48. 2026-08-12 15:36 UTCEG score recompute▲ 9.80
  49. 2026-08-12 15:36 UTCGHSA enrichment
  50. 2026-08-12 15:35 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  51. 2026-08-12 13:51 UTCEPSS rescore
  52. 2026-08-11 13:43 UTCEPSS rescore
  53. 2026-08-10 11:19 UTCNVD update
  54. 2026-08-10 10:31 UTCEG score recompute
  55. 2026-08-10 10:31 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-40920?
CVE-2026-40920 is a critical vulnerability published on August 10, 2026. 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.
When was CVE-2026-40920 disclosed?
CVE-2026-40920 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40920 actively exploited?
CVE-2026-40920 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 48.4% of all scored CVEs.
What is the CVSS score of CVE-2026-40920?
CVE-2026-40920 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-40920?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40920, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-40920

Explore →

Is Your Infrastructure Affected by CVE-2026-40920?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs