CVE-2026-11837

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-06-10. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: None knownExposed: 0

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

A local privilege escalation vulnerability was found in the ansible.posix authorized_key module. The module's keyfile() function uses os.chown() instead of os.lchown() and opens files without O_NOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their ~/.ssh directory to redirect file ownership changes to arbitrary system paths when an operator runs the authorized_key task as root, leading to local privilege escalation.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity73% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

June 10, 2026

Last Modified

September 9, 2026

Advisory Details (2)

Auto-updated Jun 11, 2026
Patch available. Sources: redhat.
redhat

2487424 – (CVE-2026-11837) CVE-2026-11837 ansible-collection-ansible-posix: ansible.posix authorized_key: local privilege escalation via symlink-following chown

https://bugzilla.redhat.com/show_bug.cgi?id=2487424
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-11837

Vendor Advisories for CVE-2026-11837(1)

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

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
ansible10.0.0+dfsg-1 ... 9.5.1+dfsg-1 (42 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
ansible10.0.0+dfsg-1 ... 9.5.1+dfsg-1 (29 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
ansible12.0.0+dfsg-0+deb13u1 ... 14.0.0~a4+dfsg-1 (13 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
ansible12.0.0+dfsg-1 ... 14.0.0~a4+dfsg-1 (11 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 53× 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 253 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-11837?
CVE-2026-11837 is a high vulnerability published on June 10, 2026. A local privilege escalation vulnerability was found in the ansible.posix authorizedkey module. The module's keyfile() function uses os.chown() instead of os.lchown() and opens files without ONOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in…
When was CVE-2026-11837 disclosed?
CVE-2026-11837 was first published in the National Vulnerability Database on June 10, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11837 actively exploited?
CVE-2026-11837 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 94.4% of all scored CVEs.
What is the CVSS score of CVE-2026-11837?
CVE-2026-11837 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-11837?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11837, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-11837

Explore →

Is Your Infrastructure Affected by CVE-2026-11837?

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

Start Free Scan →Browse All CVEs