CVE-2026-28672

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM 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: 2.6%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fixed version is listed under Patch Availability — apply it.

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
9.8CRITICALmedium confidence
EG Risk
60
EG Risk 60/100CISA SSVC

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%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fixed version is listed under Patch Availability. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
2.6%
EPSS %ILE
85th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fixed version is listed under Patch Availability. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 10, 2026

Last Modified

August 17, 2026

Advisory Details (2)

Auto-updated Oct 5, 2026
Fixed version listed under Patch Availability.
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

Pony Mail

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.

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
mavenorg.apache.ranger:ranger—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFix by version rangeDependents
org.apache.ranger:ranger0.6.0 ... 2.8.0 (18 versions)
  • 0.6.0 through 2.8.0: no fix on record
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 127× 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.

Showing the most recent 100 of 329 total refreshes for this CVE.

  1. 2026-10-10 20:00 UTCEPSS rescore
  2. 2026-10-09 20:07 UTCEPSS rescore
  3. 2026-10-08 17:11 UTCEPSS rescore
  4. 2026-10-07 23:47 UTCEPSS rescore
  5. 2026-10-07 04:09 UTCGHSA enrichment
  6. 2026-10-06 23:49 UTCGHSA enrichment
  7. 2026-10-06 19:30 UTCEG score recompute
  8. 2026-10-06 19:30 UTCGHSA enrichment
  9. 2026-10-06 15:17 UTCEPSS rescore
  10. 2026-10-05 18:30 UTCEG score recompute
  11. 2026-10-05 18:30 UTCGHSA enrichment
  12. 2026-10-05 17:42 UTCEPSS rescore
  13. 2026-10-05 07:54 UTCGHSA enrichment
  14. 2026-10-04 22:53 UTCGHSA enrichment
  15. 2026-10-04 14:43 UTCGHSA enrichment
  16. 2026-10-04 10:14 UTCGHSA enrichment
  17. 2026-10-04 05:35 UTCEG score recompute
  18. 2026-10-04 05:35 UTCGHSA enrichment
  19. 2026-10-03 14:25 UTCEPSS rescore
  20. 2026-10-03 00:57 UTCEG score recompute
  21. 2026-10-03 00:57 UTCGHSA enrichment
  22. 2026-10-02 16:20 UTCGHSA enrichment
  23. 2026-10-02 09:24 UTCEG score recompute
  24. 2026-10-02 09:24 UTCGHSA enrichment
  25. 2026-10-01 19:49 UTCEPSS rescore
Show 75 more
  1. 2026-10-01 12:09 UTCGHSA enrichment
  2. 2026-10-01 07:25 UTCGHSA enrichment
  3. 2026-10-01 03:07 UTCGHSA enrichment
  4. 2026-09-30 22:47 UTCEG score recompute
  5. 2026-09-30 22:47 UTCGHSA enrichment
  6. 2026-09-30 15:03 UTCEPSS rescore
  7. 2026-09-29 05:27 UTCEG score recompute
  8. 2026-09-29 05:27 UTCGHSA enrichment
  9. 2026-09-28 13:51 UTCEPSS rescore
  10. 2026-09-28 11:26 UTCGHSA enrichment
  11. 2026-09-28 06:50 UTCGHSA enrichment
  12. 2026-09-28 02:26 UTCGHSA enrichment
  13. 2026-09-27 17:00 UTCEG score recompute
  14. 2026-09-27 17:00 UTCGHSA enrichment
  15. 2026-09-26 15:58 UTCEPSS rescore
  16. 2026-09-26 00:26 UTCEPSS rescore
  17. 2026-09-25 08:36 UTCGHSA enrichment
  18. 2026-09-25 04:07 UTCEG score recompute
  19. 2026-09-25 04:07 UTCGHSA enrichment
  20. 2026-09-24 10:12 UTCGHSA enrichment
  21. 2026-09-24 05:53 UTCGHSA enrichment
  22. 2026-09-24 01:33 UTCGHSA enrichment
  23. 2026-09-23 21:14 UTCGHSA enrichment
  24. 2026-09-23 14:41 UTCEG score recompute
  25. 2026-09-23 14:41 UTCGHSA enrichment
  26. 2026-09-23 10:16 UTCGHSA enrichment
  27. 2026-09-23 05:57 UTCGHSA enrichment
  28. 2026-09-23 01:38 UTCGHSA enrichment
  29. 2026-09-22 21:18 UTCEG score recompute
  30. 2026-09-22 21:18 UTCGHSA enrichment
  31. 2026-09-22 13:02 UTCGHSA enrichment
  32. 2026-09-22 08:42 UTCGHSA enrichment
  33. 2026-09-22 03:52 UTCGHSA enrichment
  34. 2026-09-21 23:23 UTCEG score recompute
  35. 2026-09-21 23:23 UTCGHSA enrichment
  36. 2026-09-21 11:20 UTCGHSA enrichment
  37. 2026-09-21 06:52 UTCGHSA enrichment
  38. 2026-09-21 02:14 UTCGHSA enrichment
  39. 2026-09-20 20:28 UTCEG score recompute
  40. 2026-09-20 20:28 UTCGHSA enrichment
  41. 2026-09-20 20:15 UTCEPSS rescore
  42. 2026-09-20 20:15 UTCEPSS rescore
  43. 2026-09-20 10:51 UTCGHSA enrichment
  44. 2026-09-20 02:04 UTCGHSA enrichment
  45. 2026-09-19 21:45 UTCGHSA enrichment
  46. 2026-09-19 17:26 UTCEG score recompute
  47. 2026-09-19 17:26 UTCGHSA enrichment
  48. 2026-09-19 12:45 UTCGHSA enrichment
  49. 2026-09-19 07:19 UTCGHSA enrichment
  50. 2026-09-19 02:58 UTCGHSA enrichment
  51. 2026-09-18 22:38 UTCEG score recompute
  52. 2026-09-18 22:38 UTCGHSA enrichment
  53. 2026-09-18 19:28 UTCEPSS rescore
  54. 2026-09-18 19:27 UTCEPSS rescore
  55. 2026-09-18 18:19 UTCGHSA enrichment
  56. 2026-09-18 13:59 UTCGHSA enrichment
  57. 2026-09-18 09:39 UTCGHSA enrichment
  58. 2026-09-18 05:12 UTCGHSA enrichment
  59. 2026-09-18 00:53 UTCEG score recompute
  60. 2026-09-18 00:53 UTCGHSA enrichment
  61. 2026-09-17 19:30 UTCEPSS rescore
  62. 2026-09-17 15:06 UTCGHSA enrichment
  63. 2026-09-17 09:29 UTCGHSA enrichment
  64. 2026-09-17 05:09 UTCGHSA enrichment
  65. 2026-09-17 00:50 UTCEG score recompute
  66. 2026-09-17 00:50 UTCGHSA enrichment
  67. 2026-09-16 14:08 UTCEPSS rescore
  68. 2026-09-16 11:18 UTCGHSA enrichment
  69. 2026-09-16 06:59 UTCEG score recompute
  70. 2026-09-16 06:59 UTCGHSA enrichment
  71. 2026-09-16 05:15 UTCEPSS rescore
  72. 2026-09-16 02:40 UTCGHSA enrichment
  73. 2026-09-15 14:07 UTCGHSA enrichment
  74. 2026-09-15 06:32 UTCEG score recompute
  75. 2026-09-15 06:32 UTCGHSA enrichment

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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 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 2.6% probability of exploitation in the next 30 days (85th percentile of EPSS-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?
A fixed version for CVE-2026-28672 is listed under Patch Availability on this page: update to the version listed for your package. The vendor advisories EchelonGraph has for CVE-2026-28672 are linked in the Vendor Advisories panel on this page.

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