CVE-2026-5262

HIGHNVD 8.08.0—
EchelonGraph scoreMEDIUM confidence

Score 8.0 from GitHub Security Advisory (severity: HIGH) published 2026-04-22. NVD baseline CVSS 8.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.0Exploit: 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 16.1.0 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an unauthenticated user to access tokens in the Storybook development environment due to improper input validation.

CVSS v3
8.0
EG Score
8.0(medium)
EPSS
12.9%
KEV
Not listed

Published

April 22, 2026

Last Modified

April 23, 2026

Advisory Details (2)

Auto-updated Jun 4, 2026
No patch confirmed yet.
generic

GitLab.org / GitLab · GitLab

https://gitlab.com/gitlab-org/gitlab/-/work_items/595332
generic

GitLab Patch Release: 18.11.1, 18.10.4, 18.9.6 | GitLab Docs

https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/

Vendor Advisories for CVE-2026-5262(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 10× in last 7d / 61× 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 111 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-5262?
CVE-2026-5262 is a high vulnerability published on April 22, 2026. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.1.0 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an unauthenticated user to access tokens in the Storybook development environment due to improper input…
When was CVE-2026-5262 disclosed?
CVE-2026-5262 was first published in the National Vulnerability Database on April 22, 2026, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-5262 actively exploited?
CVE-2026-5262 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-5262?
CVE-2026-5262 has a CVSS v3 base score of 8.0 (NVD).
How do I remediate CVE-2026-5262?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5262, 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

Explore the affected products and dependency analysis for CVE-2026-5262

Explore →

Is Your Infrastructure Affected by CVE-2026-5262?

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

Start Free Scan →Browse All CVEs