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CVE-2026-3160: Information Disclosure in GitLab
Platform
gitlab
Component
gitlab
Opgelost in
18.11.3
CVE-2026-3160 describes an information disclosure vulnerability affecting GitLab Community Edition (CE) and Enterprise Edition (EE). This flaw allows authenticated users to view Jira issues that fall outside the intended project scope, effectively bypassing access controls. The vulnerability impacts versions 13.7.0 through 18.11.3, and a fix is available in version 18.11.3.
Impact en Aanvalsscenarioswordt vertaald…
The primary impact of CVE-2026-3160 is unauthorized access to Jira issue data. An attacker, already authenticated within GitLab, could leverage this vulnerability to view Jira issues associated with other projects or teams they are not explicitly authorized to access. This could expose sensitive information such as bug reports, feature requests, or internal discussions. The blast radius is limited to the Jira integration within GitLab; however, the potential for data leakage remains significant, particularly in organizations where Jira is used to manage critical project information. This vulnerability highlights the importance of proper access control enforcement within integrated systems.
Uitbuitingscontextwordt vertaald…
CVE-2026-3160 was published on May 14, 2026. Its severity is currently assessed as medium. No public proof-of-concept (POC) code has been released as of this writing. There are no indications of active exploitation campaigns targeting this vulnerability. The vulnerability is not currently listed on CISA’s Known Exploited Vulnerabilities (KEV) catalog.
Dreigingsinformatie
Exploit Status
CISA SSVC
CVSS-vector
Wat betekenen deze metrics?
- Attack Vector
- Netwerk — op afstand uitbuitbaar via internet. Geen fysieke of lokale toegang vereist.
- Attack Complexity
- Laag — geen speciale voorwaarden vereist. Betrouwbaar uitbuitbaar.
- Privileges Required
- Geen — geen authenticatie vereist om te exploiteren.
- User Interaction
- Geen — automatische en stille aanval. Slachtoffer doet niets.
- Scope
- Gewijzigd — aanval kan voorbij het kwetsbare component uitbreiden naar andere systemen.
- Confidentiality
- Laag — gedeeltelijke toegang tot enkele gegevens.
- Integrity
- Geen — geen integriteitsimpact.
- Availability
- Geen — geen beschikbaarheidsimpact.
Getroffen Software
Zwakheidsclassificatie (CWE)
Tijdlijn
- Gereserveerd
- Gepubliceerd
Mitigatie en Workaroundswordt vertaald…
The recommended mitigation for CVE-2026-3160 is to immediately upgrade GitLab to version 18.11.3 or later. If upgrading is not immediately feasible, consider temporarily disabling the Jira integration until the upgrade can be performed. Review existing Jira integration configurations to ensure that access controls are properly enforced at the Jira level. While a WAF or proxy cannot directly prevent this vulnerability, they can be configured to monitor for unusual Jira access patterns that might indicate exploitation. After upgrading, verify the fix by attempting to access Jira issues outside the expected project scope; access should be denied.
Hoe te verhelpenwordt vertaald…
Actualice GitLab a la versión 18.9.7 o superior, 18.10.6 o superior, o 18.11.3 o superior para mitigar la vulnerabilidad. Esta actualización corrige un problema de 'Confused Deputy' que permitía a usuarios autenticados acceder a información de Jira fuera del alcance del proyecto configurado.
Veelgestelde vragenwordt vertaald…
What is CVE-2026-3160 — Information Disclosure in GitLab?
CVE-2026-3160 is a medium severity vulnerability in GitLab affecting versions 13.7.0–18.11.3. It allows authenticated users to view Jira issues outside the configured project scope, bypassing access controls.
Am I affected by CVE-2026-3160 in GitLab?
You are affected if you are running GitLab CE or EE versions 13.7.0 through 18.11.3. Versions prior to 18.11.3 are vulnerable to information disclosure.
How do I fix CVE-2026-3160 in GitLab?
Upgrade GitLab to version 18.11.3 or later to remediate the vulnerability. If immediate upgrade is not possible, temporarily disable the Jira integration.
Is CVE-2026-3160 being actively exploited?
As of the current assessment, there are no indications of active exploitation campaigns targeting CVE-2026-3160.
Where can I find the official GitLab advisory for CVE-2026-3160?
Refer to the official GitLab security advisory for CVE-2026-3160 on the GitLab website: [https://gitlab.com/security/advisories/CVE-2026-3160](https://gitlab.com/security/advisories/CVE-2026-3160)
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