CVE-2026-84284

mediumpriority · track · 0OT risk · elevatedEPSS 0.002 · 13 %ileDENLUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.22% (13th) EPSS

CVSS 5.3 · medium

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cert_bund · ncsc_nl · nvd · osv

EPSS · scored 2026-10-27

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 19.2.8, 19.3 before 19.3.6, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to read work item contents from private groups and projects due to incorrect authorization checks.

cvss

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

5.3

010

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

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · cve@gitlab.comexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · 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-863USCWE-863USCWE-863US

affected products (11)

Products and version ranges known to be affected.

Open Source GitLab< 19.2.8cert_bundDE
Open Source GitLab< 19.3.4cert_bundDE
Open Source GitLab< 19.4.2cert_bundDE
Open Source Open Source GitLab <19.2.8< 19.2.8cert_bundDE
Open Source Open Source GitLab <19.3.4< 19.3.4cert_bundDE
Open Source Open Source GitLab <19.4.2< 19.4.2cert_bundDE
GitLab GitLab≤ vers:unknown/*ncsc_nlNL
gitlab gitlab17.11.0 → 19.2.8nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab19.3.0 → 19.4.2nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab17.11.0 → 19.2.8osvUSpkg:bitnami/gitlab
Bitnami gitlab19.3.0 → 19.4.2osvUSpkg:bitnami/gitlab

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0414Kwetsbaarheden verholpen in GitLabNL2026-10-13csaf · ncsc_nlNL
GitLab heeft kwetsbaarheden verholpen in GitLab Community Edition (CE) en Enterprise Edition (EE), specifiek in versies voorafgaand aan 19.2.8, 19.3.5 en 19.4.2.
WID-SEC-W-2026-3858GitLab: Mehrere SchwachstellenDeutsch2026-10-11csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um beliebigen Programmcode auszuführen, um Informationen offenzulegen, um Daten zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen und um Sicherheitsvorkehrungen zu umgehen.
BIT-gitlab-2026-84284Incorrect Authorization in GitLab2026-10-16vendor · osvUS
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 19.2.8, 19.3 before 19.3.6, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to read work item contents from private groups and projects due to incorrect authorization checks.

sources

Which sources assert this record, and when.

cert_bund ncsc_nl nvd osv NVD CVE.org MITRE

published 2026-10-13modified 2026-10-22

references (3) nvd

External citations — patches, advisories, analysis.

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/627167Issue Tracking
https://hackerone.com/reports/3551698Permissions Required

scry

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