CVE-2025-12571

highpriority · track · 0EPSS 0.005 · 45 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (45th) EPSS

CVSS 7.5 · high

Is it mine?

19 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-28

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an unauthenticated user to cause a Denial of Service condition by sending specifically crafted requests containing malicious JSON payloads.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · cve@gitlab.comexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USCWE-770USCWE-770US

affected products (19)

Products and version ranges known to be affected.

Open Source GitLab <18.4.5all versionscert_bundDE
Open Source GitLab <18.5.3all versionscert_bundDE
Open Source GitLab <18.6.1all versionscert_bundDE
Open Source GitLab< 18.4.5cert_bundDE
Open Source GitLab< 18.5.3cert_bundDE
Open Source GitLab< 18.6.1cert_bundDE
GitLab GitLab17.10 → 18.4.5enisa_euvdEU
GitLab GitLab18.5 → 18.5.3enisa_euvdEU
GitLab GitLab18.6 → 18.6.1enisa_euvdEU
GitLab Inc. Gitlab17.10 → 18.4.5fstec_bduRU
GitLab Inc. Gitlab18.5 → 18.5.3fstec_bduRU
GitLab Inc. Gitlab18.6 → 18.6.1fstec_bduRU
GitLab Community Edition, Enterprise Edition≤ vers:unknown/*ncsc_nlNL
gitlab gitlab17.10.0 → 18.4.5nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab18.5.0 → 18.5.3nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab= 18.6.0nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab17.10.0 → 18.4.5osvUSpkg:bitnami/gitlab
Bitnami gitlab18.5.0 → 18.5.3osvUSpkg:bitnami/gitlab
Bitnami gitlab18.6.0 → 18.6.1osvUSpkg:bitnami/gitlab

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0377Kwetsbaarheden verholpen in GitLabNL2025-11-27csaf · ncsc_nlNL
GitLab heeft kwetsbaarheden verholpen in zijn Community Edition (CE) en Enterprise Edition (EE) versies.
WID-SEC-W-2025-2684GitLab: Mehrere SchwachstellenDeutsch2025-11-26csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Benutzerrechte zu erlangen, einen Denial of Service herbeizuführen, Informationen offenzulegen oder Sicherheitsvorkehrungen zu umgehen.
BIT-gitlab-2025-12571Allocation of Resources Without Limits or Throttling in GitLab2025-12-02vendor · osvUS
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an unauthenticated user to cause a Denial of Service condition by sending specifically crafted requests containing malicious JSON payloads.

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 2025-11-26modified 2026-10-18

references (11)

External citations — patches, advisories, analysis.

scry

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