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CVE-2026-81839

Incorrect Authorization in GitLab

CVSS score

7.7

EPSS probability

%0.2

Risk score

0.0

Published

22 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

Incorrect Authorization Vulnerability in GitLab

Sources read

2

Source agreement

Tam uyum

Evidence confidence

%63

Short explanation

An incorrect authorization vulnerability exists in GitLab EE due to improper cleanup of scheduled pipeline execution policy records.

Why does it matter?

This security flaw could allow authenticated users to execute arbitrary CI/CD pipelines in a transferred project using the new group's privileges.

What should be done?

  • Follow vendor advisories
  • Update GitLab EE versions
  • Apply relevant patches and fixes
Chain of evidence and sources2 verified claims

GitLab EE, 18.1 ile 19.2.8 öncesi, 19.3 ile 19.3.5 öncesi ve 19.4 ile 19.4.2 öncesi sürümleri etkileyen bir yanlış yetkilendirme sorunu barındırmaktadır.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd

Planlı boru hattı yürütme ilkesi kayıtlarının uygunsuz temizlenmesi, yeni grubun ayrıcalıklarıyla CI/CD boru hatlarının çalıştırılmasına yol açabilir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd
Show the technical text from the sources

GitLab has remediated an issue in GitLab EE affecting all versions from 18.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary CI/CD pipelines in a transferred project with the new group's privileges due to improper cleanup of scheduled pipeline execution policy records.

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

CWE: CWE-863

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-81839 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1gitlabgitlab View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
7.7CVSS V31HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:NNVD
7.7CVSS V3_1HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:NCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-81839 is associated with the following CWEs:

CWE-863: Common Weakness Enumeration Entry CWE-863

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-81839 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsLow
UserGerekiyor

Official Sources and Advisories

https://gitlab.com/gitlab-org/gitlab/-/work_items/624150vendor-advisoryHackerOne Bug Bounty Report #3925062vendor-advisoryhttps://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/vendor-advisory

CVSS Vector Radar Chart

7.7 / 10
Attack VectorNetworkComplexityHighPrivilegesLowUser Interact.RequiredConfidentialityHighIntegrityHighAvailabilityNone

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredLow privileges
User Interaction—
Confidentiality (Gizlilik)High
Integrity (Bütünlük)High
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

G
gitlab logo
gitlab

Weakness Type (CWE & CAPEC)

CWE-863

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