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CVE-2025-11984 is a medium-severity authentication bypass vulnerability in GitLab Community Edition and Enterprise Edition affecting WebAuthn-based two-factor authentication. The flaw affects GitLab CE/EE versions from 13.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2. Under certain conditions, an authenticated user could manipulate session state in a way that bypasses the WebAuthn second-factor check. The issue is therefore a security restriction bypass in the authentication flow rather than an initial unauthenticated login bypass.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An authentication bypass affecting GitLab users of WebAuthn-based two-factor authentication, enabling circumvention of security controls.
A medium-severity authentication bypass vulnerability in GitLab affecting WebAuthn users, allowing an authenticated user to bypass WebAuthn two-factor authentication under certain conditions.
A WebAuthn 2FA bypass in GitLab that could allow an authenticated user to bypass WebAuthn by manipulating session state under certain conditions.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.