CVE-2026-6269

mediumpriority · track · 0OT risk · elevatedEPSS 0.002 · 8 %ileDEEUNLUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.19% (8th) EPSS

CVSS 5.4 · medium

Is it mine?

17 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-27

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · cve@gitlab.comexploitability 2.8 · impact 2.5

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USCWE-863US

affected products (17)

Products and version ranges known to be affected.

Open Source GitLab <18.10.8all versionscert_bundDE
Open Source GitLab <18.11.5all versionscert_bundDE
Open Source GitLab <19.0.2all versionscert_bundDE
Open Source GitLab< 18.10.8cert_bundDE
Open Source GitLab< 18.11.5cert_bundDE
Open Source GitLab< 19.0.2cert_bundDE
GitLab GitLab15.10 → 18.10.8enisa_euvdEU
GitLab GitLab18.11 → 18.11.5enisa_euvdEU
GitLab GitLab19.0 → 19.0.2enisa_euvdEU
GitLab Community Edition, Enterprise Edition≤ vers:unknown/*ncsc_nlNL
Open Source GitLab≤ vers:unknown/*ncsc_nlNL
gitlab gitlab15.10.0 → 18.10.8nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab18.11.0 → 18.11.5nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab19.0.0 → 19.0.2nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab15.10.0 → 18.10.8osvUSpkg:bitnami/gitlab
Bitnami gitlab18.11.0 → 18.11.5osvUSpkg:bitnami/gitlab
Bitnami gitlab19.0.0 → 19.0.2osvUSpkg:bitnami/gitlab

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0196Kwetsbaarheden verholpen in GitLab Enterprise EditionNL2026-06-12csaf · ncsc_nlNL
GitLab heeft meerdere kwetsbaarheden verholpen in GitLab Community Edition en Enterprise Edition (EE) versies variërend van 12.0 tot voor 19.0.2, inclusief belangrijke releases zoals 17.x, 18.10.8, 18.11.5 en 19.0.2.
WID-SEC-W-2026-1886GitLab: Mehrere SchwachstellenDeutsch2026-06-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren, serverseitige Request-Forgery- und Cross-Site-Scripting-Angriffe durchzuführen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.
BIT-gitlab-2026-6269Incorrect Authorization in GitLab2026-06-13vendor · osvUS
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund ncsc_nl nvd osv NVD CVE.org MITRE

published 2026-06-11modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

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