CVE-2026-12436

HIGHPre-NVD 8.48.4—
EchelonGraph scoreHIGH confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-07-29. a secondary CVSS source baseline 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.4Exploit: 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 CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs.

CVSS v3
8.4
EG Score
8.4(high)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity84% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

July 29, 2026

Last Modified

July 30, 2026

Advisory Details (2)

Auto-updated Jul 29, 2026
No patch confirmed yet.
generic

GitLab Patch Release: 19.2.1, 19.1.3, 19.0.5 | GitLab Docs

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/
generic

GitLab.org / GitLab · GitLab

https://gitlab.com/gitlab-org/gitlab/-/work_items/603223

Vendor Advisories for CVE-2026-12436(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 / 12× 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. 2026-07-31 02:44 UTCEG score recompute
  2. 2026-07-31 02:44 UTCGHSA enrichment
  3. 2026-07-30 16:27 UTCEPSS rescore
  4. 2026-07-30 14:38 UTCEG score recompute
  5. 2026-07-30 14:38 UTCGHSA enrichment
  6. 2026-07-30 05:21 UTCEG score recompute
  7. 2026-07-30 05:21 UTCGHSA enrichment
  8. 2026-07-30 04:23 UTCEG score recompute
  9. 2026-07-30 04:23 UTCGHSA enrichment
  10. 2026-07-29 20:21 UTCEG score recompute
  11. 2026-07-29 19:24 UTCEG score recompute
  12. 2026-07-29 19:22 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-12436?
CVE-2026-12436 is a high vulnerability published on July 29, 2026. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of…
When was CVE-2026-12436 disclosed?
CVE-2026-12436 was first published in the National Vulnerability Database on July 29, 2026, with the most recent update on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12436 actively exploited?
CVE-2026-12436 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 77.4% of all scored CVEs.
What is the CVSS score of CVE-2026-12436?
CVE-2026-12436 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2026-12436?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12436, 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-2026-12436

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