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Missing Authorization in GitLab EE Security Dashboard

IdentifiersCVE-2026-3176CWE-862

CVE-2026-3176 is a missing authorization vulnerability in GitLab Enterprise Edition (EE) Security Dashboard. According to the provided content, it affects all versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1. Under certain conditions, an authenticated user with limited permissions could access project information because of insufficient authorization checks in the Security Dashboard.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation could allow an authenticated low-privilege user to bypass intended access restrictions and view project information they should not be authorized to access. The impact is information disclosure and security boundary bypass within GitLab EE.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, limit access to the Security Dashboard and reduce exposure of sensitive project information to only strictly necessary users and roles. Review role assignments and permissions for authenticated users with limited access, and monitor for unexpected access to project information. No specific vendor-supplied workaround beyond upgrading was provided in the content.

Remediation

Patch, then assume compromise.

Upgrade GitLab EE to a fixed version: 18.11.6 or later in the 18.11 series, 19.0.3 or later in the 19.0 series, or 19.1.1 or later in the 19.1 series. GitLab advised self-managed customers to upgrade immediately. The provided content also notes that the release includes database migrations that may cause downtime on single-node deployments; multi-node deployments can avoid downtime if zero-downtime upgrade procedures are followed.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

4 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-3176
NVD
nvd.nist.gov/vuln/detail/CVE-2026-3176
MITRE CWE · CWE-862
cwe.mitre.org