CVE-2026-10086

MEDIUMNVD 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
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: 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 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)
EPSS
13.9%
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(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 33× in last 7d / 60× 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. 2026-07-06 18:38 UTCEG score recompute
  2. 2026-07-06 18:38 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 06:13 UTCEG score recompute
  5. 2026-07-06 06:13 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 17:40 UTCEG score recompute
  8. 2026-07-05 17:40 UTCGHSA enrichment
  9. 2026-07-05 05:19 UTCEG score recompute
  10. 2026-07-05 05:18 UTCGHSA enrichment
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-05 02:30 UTCEPSS rescore
  13. 2026-07-04 16:56 UTCEG score recompute
  14. 2026-07-04 16:56 UTCGHSA enrichment
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-04 04:34 UTCEG score recompute
  17. 2026-07-04 04:34 UTCGHSA enrichment
  18. 2026-07-03 16:12 UTCEG score recompute
  19. 2026-07-03 16:12 UTCGHSA enrichment
  20. 2026-07-03 03:50 UTCEG score recompute
  21. 2026-07-03 03:50 UTCGHSA enrichment
  22. 2026-07-02 15:17 UTCEG score recompute
  23. 2026-07-02 15:17 UTCGHSA enrichment
  24. 2026-07-02 02:56 UTCEG score recompute
  25. 2026-07-02 02:56 UTCGHSA enrichment
Show 35 more
  1. 2026-07-01 15:06 UTCEPSS rescore
  2. 2026-07-01 15:06 UTCEPSS rescore
  3. 2026-07-01 14:35 UTCEG score recompute
  4. 2026-07-01 14:35 UTCGHSA enrichment
  5. 2026-07-01 02:13 UTCEG score recompute
  6. 2026-07-01 02:13 UTCGHSA enrichment
  7. 2026-06-30 13:51 UTCEG score recompute
  8. 2026-06-30 13:51 UTCGHSA enrichment
  9. 2026-06-30 01:30 UTCEG score recompute
  10. 2026-06-30 01:30 UTCGHSA enrichment
  11. 2026-06-29 14:06 UTCEPSS rescore
  12. 2026-06-29 13:09 UTCEG score recompute
  13. 2026-06-29 13:09 UTCGHSA enrichment
  14. 2026-06-29 00:48 UTCEG score recompute
  15. 2026-06-29 00:48 UTCGHSA enrichment
  16. 2026-06-28 14:07 UTCEPSS rescore
  17. 2026-06-28 12:26 UTCEG score recompute
  18. 2026-06-28 12:26 UTCGHSA enrichment
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-28 00:03 UTCEG score recompute
  22. 2026-06-28 00:03 UTCGHSA enrichment
  23. 2026-06-27 11:41 UTCEG score recompute
  24. 2026-06-27 11:41 UTCGHSA enrichment
  25. 2026-06-27 03:08 UTCEPSS rescore
  26. 2026-06-26 23:19 UTCEG score recompute
  27. 2026-06-26 23:19 UTCGHSA enrichment
  28. 2026-06-26 19:41 UTCNVD updateCVSS v3 → 5.4 · severity → MEDIUM
  29. 2026-06-26 10:58 UTCEG score recompute
  30. 2026-06-26 10:58 UTCGHSA enrichment
  31. 2026-06-25 18:29 UTCEG score recompute
  32. 2026-06-25 18:29 UTCGHSA enrichment
  33. 2026-06-25 13:49 UTCEPSS rescore
  34. 2026-06-25 06:07 UTCEG score recompute
  35. 2026-06-25 06:05 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-10086?
CVE-2026-10086 is a medium 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 13.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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

Explore the affected products and dependency analysis for CVE-2026-10086

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