CVE-2026-1338

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-05-14. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
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 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.

CVSS v3
4.3
EG Score
4.3(medium)
EPSS
8.8%
KEV
Not listed

Published

May 14, 2026

Last Modified

May 16, 2026

Advisory Details (2)

Auto-updated May 14, 2026
No patch confirmed yet.
generic

GitLab.org / GitLab · GitLab

https://gitlab.com/gitlab-org/gitlab/-/work_items/587326
generic

GitLab release notes | GitLab Docs

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/

Vendor Advisories for CVE-2026-1338(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 6× in last 7d / 66× 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 116 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-1338?
CVE-2026-1338 is a medium vulnerability published on May 14, 2026. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization…
When was CVE-2026-1338 disclosed?
CVE-2026-1338 was first published in the National Vulnerability Database on May 14, 2026, with the most recent update on May 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1338 actively exploited?
CVE-2026-1338 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-1338?
CVE-2026-1338 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-1338?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1338, 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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