CVE-2026-10086

HIGHNVD 5.48.7▲
EchelonGraph scoreMEDIUM confidence

Score 8.7 from GitHub Security Advisory (severity: HIGH) published 2026-06-25. NVD baseline CVSS 5.4; sources differ by 3.3.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: 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 EE affecting all versions from 16.4 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary client-side code in the context of another user's session, due to improper sanitization of user-supplied input.

CVSS v3
5.4
EG Score
8.7(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity87% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 26, 2026

Advisory Details (2)

Auto-updated Jun 25, 2026
No patch confirmed yet.
generic

GitLab.org / GitLab · GitLab

https://gitlab.com/gitlab-org/gitlab/-/work_items/601634
generic

GitLab Patch Release: 19.1.1, 19.0.3, 18.11.6 | GitLab Docs

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/

Vendor Advisories for CVE-2026-10086(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 12× in last 7d / 75× 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. 2026-07-27 03:47 UTCGHSA enrichment
  2. 2026-07-26 15:16 UTCEG score recompute
  3. 2026-07-26 15:16 UTCGHSA enrichment
  4. 2026-07-26 14:54 UTCEPSS rescore
  5. 2026-07-26 14:54 UTCEPSS rescore
  6. 2026-07-25 14:17 UTCEPSS rescore
  7. 2026-07-24 14:17 UTCEPSS rescore
  8. 2026-07-23 14:18 UTCEPSS rescore
  9. 2026-07-23 03:04 UTCEG score recompute
  10. 2026-07-22 14:08 UTCEPSS rescore
  11. 2026-07-21 15:24 UTCEPSS rescore
  12. 2026-07-20 17:08 UTCEPSS rescore
  13. 2026-07-19 14:30 UTCEPSS rescore
  14. 2026-07-19 02:28 UTCEPSS rescore
  15. 2026-07-18 10:04 UTCEPSS rescore
  16. 2026-07-17 02:37 UTCGHSA enrichment
  17. 2026-07-16 17:02 UTCEPSS rescore
  18. 2026-07-16 14:16 UTCGHSA enrichment
  19. 2026-07-16 01:37 UTCGHSA enrichment
  20. 2026-07-15 16:57 UTCEPSS rescore
  21. 2026-07-15 13:15 UTCGHSA enrichment
  22. 2026-07-15 02:00 UTCEPSS rescore
  23. 2026-07-15 00:53 UTCGHSA enrichment
  24. 2026-07-14 12:32 UTCGHSA enrichment
  25. 2026-07-14 00:10 UTCGHSA enrichment
Show 59 more
  1. 2026-07-13 22:30 UTCEPSS rescore
  2. 2026-07-13 11:48 UTCGHSA enrichment
  3. 2026-07-13 06:12 UTCEPSS rescore
  4. 2026-07-12 23:23 UTCGHSA enrichment
  5. 2026-07-12 11:01 UTCGHSA enrichment
  6. 2026-07-12 05:46 UTCEPSS rescore
  7. 2026-07-11 22:40 UTCGHSA enrichment
  8. 2026-07-11 10:19 UTCGHSA enrichment
  9. 2026-07-11 08:27 UTCEPSS rescore
  10. 2026-07-10 21:57 UTCGHSA enrichment
  11. 2026-07-10 09:35 UTCGHSA enrichment
  12. 2026-07-09 21:07 UTCGHSA enrichment
  13. 2026-07-09 19:10 UTCEPSS rescore
  14. 2026-07-09 08:45 UTCGHSA enrichment
  15. 2026-07-08 20:20 UTCGHSA enrichment
  16. 2026-07-08 15:15 UTCEPSS rescore
  17. 2026-07-08 15:15 UTCEPSS rescore
  18. 2026-07-08 07:55 UTCGHSA enrichment
  19. 2026-07-07 19:34 UTCGHSA enrichment
  20. 2026-07-07 13:46 UTCEPSS rescore
  21. 2026-07-07 07:00 UTCGHSA enrichment
  22. 2026-07-06 18:38 UTCGHSA enrichment
  23. 2026-07-06 16:27 UTCEPSS rescore
  24. 2026-07-06 06:13 UTCGHSA enrichment
  25. 2026-07-06 02:23 UTCEPSS rescore
  26. 2026-07-05 17:40 UTCGHSA enrichment
  27. 2026-07-05 05:18 UTCGHSA enrichment
  28. 2026-07-05 02:30 UTCEPSS rescore
  29. 2026-07-05 02:30 UTCEPSS rescore
  30. 2026-07-04 16:56 UTCGHSA enrichment
  31. 2026-07-04 06:31 UTCEPSS rescore
  32. 2026-07-04 04:34 UTCGHSA enrichment
  33. 2026-07-03 16:12 UTCGHSA enrichment
  34. 2026-07-03 03:50 UTCGHSA enrichment
  35. 2026-07-02 15:17 UTCGHSA enrichment
  36. 2026-07-02 02:56 UTCGHSA enrichment
  37. 2026-07-01 15:06 UTCEPSS rescore
  38. 2026-07-01 15:06 UTCEPSS rescore
  39. 2026-07-01 14:35 UTCGHSA enrichment
  40. 2026-07-01 02:13 UTCGHSA enrichment
  41. 2026-06-30 13:51 UTCGHSA enrichment
  42. 2026-06-30 01:30 UTCGHSA enrichment
  43. 2026-06-29 14:06 UTCEPSS rescore
  44. 2026-06-29 13:09 UTCGHSA enrichment
  45. 2026-06-29 00:48 UTCGHSA enrichment
  46. 2026-06-28 14:07 UTCEPSS rescore
  47. 2026-06-28 12:26 UTCGHSA enrichment
  48. 2026-06-28 04:56 UTCEPSS rescore
  49. 2026-06-28 04:56 UTCEPSS rescore
  50. 2026-06-28 00:03 UTCGHSA enrichment
  51. 2026-06-27 11:41 UTCGHSA enrichment
  52. 2026-06-27 03:08 UTCEPSS rescore
  53. 2026-06-26 23:19 UTCGHSA enrichment
  54. 2026-06-26 19:41 UTCNVD updateCVSS v3 → 5.4 · severity → MEDIUM
  55. 2026-06-26 10:58 UTCGHSA enrichment
  56. 2026-06-25 18:29 UTCGHSA enrichment
  57. 2026-06-25 13:49 UTCEPSS rescore
  58. 2026-06-25 06:07 UTCEG score recompute
  59. 2026-06-25 06:05 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-10086?
CVE-2026-10086 is a high vulnerability published on June 25, 2026. GitLab has remediated an issue in GitLab EE affecting all versions from 16.4 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary client-side code in the context of…
When was CVE-2026-10086 disclosed?
CVE-2026-10086 was first published in the National Vulnerability Database on June 25, 2026, with the most recent update on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10086 actively exploited?
CVE-2026-10086 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 73.7% of all scored CVEs.
What is the CVSS score of CVE-2026-10086?
CVE-2026-10086 has a CVSS v3 base score of 5.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.7.
How do I remediate CVE-2026-10086?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10086, 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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