CVE-2023-4008

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 55% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible to takeover GitLab Pages with unique domain URLs if the random string added was known.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
—
EPSS
45.3%
KEV
Not listed

Published

August 3, 2023

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jun 24, 2026
No patch confirmed yet.
generic

Pages Unique domain overwrite risk (#415942) · Issues · GitLab.org / GitLab · GitLab

https://gitlab.com/gitlab-org/gitlab/-/issues/415942

Vendor Advisories for CVE-2023-4008(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× 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.

Showing the most recent 100 of 104 total refreshes for this CVE.

  1. 2026-07-22 23:12 UTCEG score recompute▲ 4.50
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
  4. 2026-07-21 15:23 UTCEPSS rescore
  5. 2026-07-20 17:06 UTCEPSS rescore
  6. 2026-07-19 14:29 UTCEPSS rescore
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  8. 2026-07-19 02:27 UTCEPSS rescore
  9. 2026-07-18 10:03 UTCEPSS rescore
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  11. 2026-07-16 17:01 UTCEPSS rescore
  12. 2026-07-15 16:56 UTCEPSS rescore
  13. 2026-07-15 16:56 UTCEPSS rescore
  14. 2026-07-15 13:49 UTCOSV refresh
  15. 2026-07-15 01:59 UTCEPSS rescore
  16. 2026-07-15 01:59 UTCEPSS rescore
  17. 2026-07-13 22:28 UTCEPSS rescore
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  19. 2026-07-13 06:11 UTCEPSS rescore
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  21. 2026-07-12 05:45 UTCEPSS rescore
  22. 2026-07-11 08:26 UTCEPSS rescore
  23. 2026-07-09 19:08 UTCEPSS rescore
  24. 2026-07-08 15:13 UTCEPSS rescore
  25. 2026-07-07 13:44 UTCEPSS rescore
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  1. 2026-07-07 13:44 UTCEPSS rescore
  2. 2026-07-06 16:26 UTCEPSS rescore
  3. 2026-07-06 16:26 UTCEPSS rescore
  4. 2026-07-06 02:22 UTCEPSS rescore
  5. 2026-07-05 02:29 UTCEPSS rescore
  6. 2026-07-04 06:29 UTCEPSS rescore
  7. 2026-07-04 06:29 UTCEPSS rescore
  8. 2026-07-02 16:59 UTCEPSS rescore
  9. 2026-07-01 15:05 UTCEPSS rescore
  10. 2026-06-30 23:21 UTCEPSS rescore
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  12. 2026-06-29 14:05 UTCEPSS rescore
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  14. 2026-06-28 14:06 UTCEPSS rescore
  15. 2026-06-28 04:55 UTCEPSS rescore
  16. 2026-06-27 14:04 UTCOSV refresh
  17. 2026-06-27 03:07 UTCEPSS rescore
  18. 2026-06-25 13:48 UTCEPSS rescore
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  20. 2026-06-24 14:04 UTCEPSS rescore
  21. 2026-06-24 14:04 UTCEPSS rescore
  22. 2026-06-24 06:20 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  23. 2026-06-23 21:31 UTCEPSS rescore
  24. 2026-06-23 21:31 UTCEPSS rescore
  25. 2026-06-22 14:24 UTCEPSS rescore
  26. 2026-06-22 14:24 UTCEPSS rescore
  27. 2026-06-21 14:55 UTCEPSS rescore
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  29. 2026-06-21 01:58 UTCEPSS rescore
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  31. 2026-06-19 19:24 UTCEPSS rescore
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  33. 2026-06-18 17:51 UTCEPSS rescore
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  35. 2026-06-16 17:51 UTCEPSS rescore
  36. 2026-06-16 17:51 UTCEPSS rescore
  37. 2026-06-15 17:47 UTCEPSS rescore
  38. 2026-06-14 23:16 UTCEPSS rescore
  39. 2026-06-13 22:59 UTCEPSS rescore
  40. 2026-06-13 22:59 UTCEPSS rescore
  41. 2026-06-12 23:11 UTCEPSS rescore
  42. 2026-06-12 23:10 UTCEPSS rescore
  43. 2026-06-11 13:59 UTCEPSS rescore
  44. 2026-06-10 22:17 UTCEPSS rescore
  45. 2026-06-10 13:21 UTCEPSS rescore
  46. 2026-06-10 00:47 UTCOSV refresh
  47. 2026-06-08 14:16 UTCEPSS rescore
  48. 2026-06-08 14:16 UTCEPSS rescore
  49. 2026-06-07 15:24 UTCEPSS rescore
  50. 2026-06-07 15:23 UTCEPSS rescore
  51. 2026-06-06 13:46 UTCEPSS rescore
  52. 2026-06-06 13:46 UTCEPSS rescore
  53. 2026-06-05 22:46 UTCEPSS rescore
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  55. 2026-06-05 06:09 UTCEPSS rescore
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  58. 2026-06-04 13:11 UTCEPSS rescore
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  61. 2026-06-02 20:12 UTCEPSS rescore
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  63. 2026-06-01 13:51 UTCEPSS rescore
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  65. 2026-05-31 22:30 UTCEPSS rescore
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  67. 2026-05-31 00:15 UTCEPSS rescore
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  69. 2026-05-29 13:43 UTCEPSS rescore
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  71. 2026-05-27 13:39 UTCEPSS rescore
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  73. 2026-05-26 13:43 UTCEPSS rescore
  74. 2026-05-26 13:43 UTCEPSS rescore
  75. 2026-05-26 07:18 UTCEPSS rescore

Frequently asked(5)

What is CVE-2023-4008?
CVE-2023-4008 is a critical vulnerability published on August 3, 2023. An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible to takeover GitLab Pages with unique domain URLs if the random string added was known.
When was CVE-2023-4008 disclosed?
CVE-2023-4008 was first published in the National Vulnerability Database on August 3, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-4008 actively exploited?
CVE-2023-4008 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-4008?
CVE-2023-4008 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-4008?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4008, 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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