CVE-2026-3855

mediumpriority · track · 27EPSS 0.003 · 26 %ileDEUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.34% (26th) EPSS

CVSS 6.8 · medium

Is it mine?

13 products

Check your exposure

Who says so?

3 sources

cert_bund · nvd · osv

EPSS · scored 2026-10-22

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.

cvss

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

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.1–6.8

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.2

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · cve@gitlab.comexploitability 1.6 · impact 1.4

v3.16.2mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-99US

affected products (13)

Products and version ranges known to be affected.

Open Source GitLab <18.11.12all versionscert_bundDE
Open Source GitLab <19.0.9all versionscert_bundDE
Open Source GitLab< 18.11.12cert_bundDE
Open Source GitLab< 19.0.9cert_bundDE
Open Source GitLab< 19.1.8cert_bundDE
Open Source GitLab< 19.2.6cert_bundDE
Open Source GitLab< 19.3.2cert_bundDE
gitlab gitlab18.2.7 → 19.1.8nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab19.2.0 → 19.2.6nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab19.3.0 → 19.3.2nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab18.2.7 → 19.1.8osvUSpkg:bitnami/gitlab
Bitnami gitlab19.2.0 → 19.2.6osvUSpkg:bitnami/gitlab
Bitnami gitlab19.3.0 → 19.3.2osvUSpkg:bitnami/gitlab

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3315GitLab: Mehrere SchwachstellenDeutsch2026-09-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um beliebigen Code auszuführen, erweiterte Berechtigungen zu erlangen, Sicherheitsmaßnahmen zu umgehen, sensible Informationen oder Anmeldedaten offenzulegen, Daten zu manipulieren, Cross-Site-Scripting-Angriffe durchzuführen oder Denial-of-Service-Zustände zu verursachen.
BIT-gitlab-2026-3855Improper Control of Resource Identifiers ('Resource Injection') in GitLab2026-09-25vendor · osvUS
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.

sources

Which sources assert this record, and when.

cert_bund nvd osv NVD CVE.org MITRE

published 2026-09-16modified 2026-09-28

references (3) nvd

External citations — patches, advisories, analysis.

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/592821Broken Link
https://hackerone.com/reports/3575167Permissions Required

scry

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