CVE-2026-15423

HIGHPre-NVD 8.58.5—
EchelonGraph scoreMEDIUM confidence

Score 8.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-12. a secondary CVSS source baseline 8.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.5Exploit: None knownExposed: 0

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

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.

CVSS v3
8.5
EG Score
8.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity85% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 19, 2026

Advisory Details (2)

Auto-updated Aug 12, 2026
No patch confirmed yet.
generic

GitLab Patch Release: 19.2.2, 19.1.4, 19.0.6 | GitLab Docs

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/
generic

GitLab.org / GitLab · GitLab

https://gitlab.com/gitlab-org/gitlab/-/work_items/605705

Vendor Advisories for CVE-2026-15423(2)

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 23× in last 7d / 105× 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 142 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15423?
CVE-2026-15423 is a high vulnerability published on August 12, 2026. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without…
When was CVE-2026-15423 disclosed?
CVE-2026-15423 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on August 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15423 actively exploited?
CVE-2026-15423 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 82.0% of all scored CVEs.
What is the CVSS score of CVE-2026-15423?
CVE-2026-15423 has a CVSS v3 base score of 8.5 (NVD).
How do I remediate CVE-2026-15423?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15423, 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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