CVE-2026-28672

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: 3%CVSS: 9.8Exploit: None knownExposed: 0

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

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Apache Ranger.

This issue affects Apache Ranger: from 0.6 through 2.8.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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%
Exploitation3% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
84%
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-2026-28672: Apache Ranger: OS Command Injection via Username in UnixUserGroupBuilder

http://www.openwall.com/lists/oss-security/2026/08/09/2
generic
https://lists.apache.org/thread/99ysjqcmz950o3jgm6pqx1wb696onzq7

Vendor Advisories for CVE-2026-28672(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 54× in last 7d / 74× 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 01:37 UTCEG score recompute
  2. 2026-08-21 01:37 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 21:18 UTCGHSA enrichment
  6. 2026-08-20 16:59 UTCGHSA enrichment
  7. 2026-08-20 12:39 UTCGHSA enrichment
  8. 2026-08-20 08:20 UTCGHSA enrichment
  9. 2026-08-20 04:01 UTCGHSA enrichment
  10. 2026-08-19 23:42 UTCGHSA enrichment
  11. 2026-08-19 19:23 UTCEG score recompute
  12. 2026-08-19 19:23 UTCGHSA enrichment
  13. 2026-08-19 17:03 UTCEPSS rescore
  14. 2026-08-19 15:02 UTCGHSA enrichment
  15. 2026-08-19 10:42 UTCGHSA enrichment
  16. 2026-08-19 06:23 UTCGHSA enrichment
  17. 2026-08-19 02:04 UTCGHSA enrichment
  18. 2026-08-18 21:44 UTCGHSA enrichment
  19. 2026-08-18 17:25 UTCEG score recompute
  20. 2026-08-18 17:25 UTCGHSA enrichment
  21. 2026-08-18 13:48 UTCEPSS rescore
  22. 2026-08-18 12:46 UTCGHSA enrichment
  23. 2026-08-18 07:53 UTCGHSA enrichment
  24. 2026-08-18 03:33 UTCGHSA enrichment
  25. 2026-08-17 23:14 UTCGHSA enrichment
Show 49 more
  1. 2026-08-17 18:54 UTCGHSA enrichment
  2. 2026-08-17 17:37 UTCEG score recompute
  3. 2026-08-17 17:37 UTCGHSA enrichment
  4. 2026-08-17 13:47 UTCEPSS rescore
  5. 2026-08-17 13:16 UTCGHSA enrichment
  6. 2026-08-17 08:57 UTCGHSA enrichment
  7. 2026-08-17 04:38 UTCGHSA enrichment
  8. 2026-08-17 00:19 UTCGHSA enrichment
  9. 2026-08-16 20:00 UTCGHSA enrichment
  10. 2026-08-16 15:40 UTCEG score recompute
  11. 2026-08-16 15:40 UTCGHSA enrichment
  12. 2026-08-16 14:56 UTCEPSS rescore
  13. 2026-08-16 11:20 UTCGHSA enrichment
  14. 2026-08-16 07:01 UTCGHSA enrichment
  15. 2026-08-16 02:42 UTCEG score recompute
  16. 2026-08-16 02:42 UTCGHSA enrichment
  17. 2026-08-16 02:14 UTCEPSS rescore
  18. 2026-08-15 22:23 UTCGHSA enrichment
  19. 2026-08-15 18:04 UTCGHSA enrichment
  20. 2026-08-15 13:45 UTCGHSA enrichment
  21. 2026-08-15 09:26 UTCGHSA enrichment
  22. 2026-08-15 05:07 UTCEG score recompute
  23. 2026-08-15 05:07 UTCGHSA enrichment
  24. 2026-08-15 01:30 UTCEPSS rescore
  25. 2026-08-15 00:48 UTCGHSA enrichment
  26. 2026-08-14 20:29 UTCGHSA enrichment
  27. 2026-08-14 16:05 UTCGHSA enrichment
  28. 2026-08-14 11:46 UTCGHSA enrichment
  29. 2026-08-14 07:27 UTCGHSA enrichment
  30. 2026-08-14 03:07 UTCGHSA enrichment
  31. 2026-08-13 22:48 UTCEG score recompute
  32. 2026-08-13 22:48 UTCGHSA enrichment
  33. 2026-08-13 22:00 UTCEPSS rescore
  34. 2026-08-13 18:29 UTCGHSA enrichment
  35. 2026-08-13 14:10 UTCGHSA enrichment
  36. 2026-08-13 09:51 UTCGHSA enrichment
  37. 2026-08-13 05:32 UTCGHSA enrichment
  38. 2026-08-13 01:13 UTCGHSA enrichment
  39. 2026-08-12 20:54 UTCEG score recompute
  40. 2026-08-12 20:54 UTCGHSA enrichment
  41. 2026-08-12 16:35 UTCGHSA enrichment
  42. 2026-08-12 16:01 UTCEG score recompute▲ 9.80
  43. 2026-08-12 16:01 UTCGHSA enrichment
  44. 2026-08-12 16:00 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  45. 2026-08-12 13:50 UTCEPSS rescore
  46. 2026-08-11 13:42 UTCEPSS rescore
  47. 2026-08-10 11:19 UTCNVD update
  48. 2026-08-10 10:31 UTCEG score recompute
  49. 2026-08-10 10:31 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-28672?
CVE-2026-28672 is a critical vulnerability published on August 10, 2026. Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Apache Ranger. This issue affects Apache Ranger: from 0.6 through 2.8.
When was CVE-2026-28672 disclosed?
CVE-2026-28672 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-2026-28672 actively exploited?
CVE-2026-28672 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 15.7% of all scored CVEs.
What is the CVSS score of CVE-2026-28672?
CVE-2026-28672 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-28672?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28672, 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

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