CVE-2026-12436

highpriority · track · 0EPSS 0.005 · 40 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.46% (40th) EPSS

CVSS 8.4 · high

Is it mine?

19 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

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

8.4

010

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

v3.18.4highAV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Lsecondary · FSTEC (BDU) RU

v3.18.4highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Lsecondary · ENISA EU

v3.18.4highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Lsecondary · cve@gitlab.comexploitability 1.8 · impact 6

v3.17.7highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L/E:Usecondary · CVSS-BT (t0sche)

v3.18.4highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Lsecondary · NCSC-NL NL

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-915USCWE-915USCWE-915US

affected products (19)

Products and version ranges known to be affected.

Open Source GitLab <19.0.5all versionscert_bundDE
Open Source GitLab <19.1.3all versionscert_bundDE
Open Source GitLab <19.2.1all versionscert_bundDE
Open Source GitLab< 19.0.5cert_bundDE
Open Source GitLab< 19.1.3cert_bundDE
Open Source GitLab< 19.2.1cert_bundDE
GitLab GitLab18.0 → 19.0.5enisa_euvdEU
GitLab GitLab19.1 → 19.1.3enisa_euvdEU
GitLab GitLab19.2 → 19.2.1enisa_euvdEU
GitLab Inc. Gitlab18.0 → 19.0.5fstec_bduRU
GitLab Inc. Gitlab19.1 → 19.1.3fstec_bduRU
GitLab Inc. Gitlab19.2 → 19.2.1fstec_bduRU
GitLab GitLab≤ vers:unknown/*ncsc_nlNL
gitlab gitlab18.0.0 → 19.0.5nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab19.1.0 → 19.1.3nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab= 19.2.0nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab18.0.0 → 19.0.5osvUSpkg:bitnami/gitlab
Bitnami gitlab19.1.0 → 19.1.3osvUSpkg:bitnami/gitlab
Bitnami gitlab19.2.0 → 19.2.1osvUSpkg:bitnami/gitlab

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0270Kwetsbaarheden verholpen in GitLab door GitLab Inc.NL2026-07-30csaf · ncsc_nlNL
GitLab Inc. heeft meerdere kwetsbaarheden verholpen in GitLab, specifiek in versies voorafgaand aan 19.0.5, 19.1.3 en 19.2.1, inclusief GitLab Enterprise Edition (EE) versies binnen deze reeksen.
WID-SEC-W-2026-2586GitLab: Mehrere SchwachstellenDeutsch2026-07-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Cross-Site-Scripting-Angriffe durchzuführen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.
BIT-gitlab-2026-12436Improperly Controlled Modification of Dynamically-Determined Object Attributes in GitLab2026-08-17vendor · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl nvd osv NVD CVE.org MITRE

published 2026-07-29modified 2026-08-03

references (9)

External citations — patches, advisories, analysis.

scry

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