CVE-2026-9807

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-05-28. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 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 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked Project Access Token to continue accessing private resources due to incorrect authorization enforcement.

CVSS v3
4.3
EG Score
4.3(medium)
EPSS
9.2%
KEV
Not listed

Published

May 28, 2026

Last Modified

May 29, 2026

Advisory Details (2)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

GitLab.org / GitLab · GitLab

https://gitlab.com/gitlab-org/gitlab/-/work_items/590694
generic

GitLab release notes | GitLab Docs

https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/

Vendor Advisories for CVE-2026-9807(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 9× in last 7d / 49× 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. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-13 22:31 UTCEPSS rescore
  4. 2026-07-13 06:13 UTCEPSS rescore
  5. 2026-07-12 05:46 UTCEPSS rescore
  6. 2026-07-11 21:36 UTCEG score recompute
  7. 2026-07-11 21:36 UTCGHSA enrichment
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-09 19:10 UTCEPSS rescore
  10. 2026-07-08 18:40 UTCEG score recompute
  11. 2026-07-08 18:40 UTCGHSA enrichment
  12. 2026-07-08 15:16 UTCEPSS rescore
  13. 2026-07-07 13:46 UTCEPSS rescore
  14. 2026-07-06 02:23 UTCEPSS rescore
  15. 2026-07-05 02:31 UTCEPSS rescore
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-02 17:02 UTCEPSS rescore
  18. 2026-07-02 14:31 UTCEG score recompute
  19. 2026-07-02 14:31 UTCGHSA enrichment
  20. 2026-07-01 15:07 UTCEPSS rescore
  21. 2026-07-01 03:24 UTCEG score recompute
  22. 2026-07-01 03:24 UTCGHSA enrichment
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-29 13:47 UTCEG score recompute
Show 75 more
  1. 2026-06-29 13:47 UTCGHSA enrichment
  2. 2026-06-28 14:07 UTCEPSS rescore
  3. 2026-06-28 07:36 UTCEG score recompute
  4. 2026-06-28 07:36 UTCGHSA enrichment
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-27 05:31 UTCEG score recompute
  7. 2026-06-27 05:31 UTCGHSA enrichment
  8. 2026-06-27 03:08 UTCEPSS rescore
  9. 2026-06-26 02:06 UTCEG score recompute
  10. 2026-06-26 02:06 UTCGHSA enrichment
  11. 2026-06-25 13:50 UTCEPSS rescore
  12. 2026-06-24 22:56 UTCEG score recompute
  13. 2026-06-24 22:56 UTCGHSA enrichment
  14. 2026-06-24 14:05 UTCEPSS rescore
  15. 2026-06-23 21:33 UTCEPSS rescore
  16. 2026-06-22 14:25 UTCEPSS rescore
  17. 2026-06-21 14:56 UTCEPSS rescore
  18. 2026-06-21 01:59 UTCEPSS rescore
  19. 2026-06-19 19:26 UTCEPSS rescore
  20. 2026-06-18 17:52 UTCEPSS rescore
  21. 2026-06-17 17:53 UTCEPSS rescore
  22. 2026-06-17 11:56 UTCEG score recompute
  23. 2026-06-17 11:56 UTCGHSA enrichment
  24. 2026-06-16 17:53 UTCEPSS rescore
  25. 2026-06-16 09:52 UTCEG score recompute
  26. 2026-06-16 09:52 UTCGHSA enrichment
  27. 2026-06-15 17:49 UTCEPSS rescore
  28. 2026-06-15 07:47 UTCEG score recompute
  29. 2026-06-15 07:47 UTCGHSA enrichment
  30. 2026-06-14 23:18 UTCEPSS rescore
  31. 2026-06-14 05:19 UTCEG score recompute
  32. 2026-06-14 05:18 UTCGHSA enrichment
  33. 2026-06-13 23:00 UTCEPSS rescore
  34. 2026-06-13 03:13 UTCEG score recompute
  35. 2026-06-13 03:13 UTCGHSA enrichment
  36. 2026-06-12 23:12 UTCEPSS rescore
  37. 2026-06-12 23:12 UTCEPSS rescore
  38. 2026-06-12 01:08 UTCEG score recompute
  39. 2026-06-12 01:08 UTCGHSA enrichment
  40. 2026-06-11 14:00 UTCEPSS rescore
  41. 2026-06-10 23:04 UTCEG score recompute
  42. 2026-06-10 23:04 UTCGHSA enrichment
  43. 2026-06-10 22:19 UTCEPSS rescore
  44. 2026-06-10 13:22 UTCEPSS rescore
  45. 2026-06-09 21:00 UTCEG score recompute
  46. 2026-06-09 21:00 UTCGHSA enrichment
  47. 2026-06-08 18:43 UTCEG score recompute
  48. 2026-06-08 18:43 UTCGHSA enrichment
  49. 2026-06-08 14:17 UTCEPSS rescore
  50. 2026-06-07 15:25 UTCEPSS rescore
  51. 2026-06-07 13:39 UTCEG score recompute
  52. 2026-06-07 13:39 UTCGHSA enrichment
  53. 2026-06-06 13:47 UTCEPSS rescore
  54. 2026-06-06 11:34 UTCEG score recompute
  55. 2026-06-06 11:34 UTCGHSA enrichment
  56. 2026-06-05 22:47 UTCEPSS rescore
  57. 2026-06-05 09:31 UTCEG score recompute
  58. 2026-06-05 09:31 UTCGHSA enrichment
  59. 2026-06-05 06:10 UTCEPSS rescore
  60. 2026-06-04 13:12 UTCEPSS rescore
  61. 2026-06-04 07:27 UTCEG score recompute
  62. 2026-06-04 07:27 UTCGHSA enrichment
  63. 2026-06-03 05:23 UTCEG score recompute
  64. 2026-06-03 05:23 UTCGHSA enrichment
  65. 2026-06-02 20:13 UTCEPSS rescore
  66. 2026-06-02 03:19 UTCEG score recompute
  67. 2026-06-02 03:19 UTCGHSA enrichment
  68. 2026-06-01 13:52 UTCEPSS rescore
  69. 2026-06-01 01:15 UTCEG score recompute
  70. 2026-06-01 01:15 UTCGHSA enrichment
  71. 2026-05-31 22:30 UTCEPSS rescore
  72. 2026-05-31 00:16 UTCEPSS rescore
  73. 2026-05-29 13:44 UTCEPSS rescore
  74. 2026-05-28 13:44 UTCEPSS rescore
  75. 2026-05-28 08:43 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-9807?
CVE-2026-9807 is a medium vulnerability published on May 28, 2026. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked Project Access Token to continue accessing private resources due to incorrect authorization…
When was CVE-2026-9807 disclosed?
CVE-2026-9807 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on May 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9807 actively exploited?
CVE-2026-9807 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9807?
CVE-2026-9807 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-9807?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9807, 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.

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