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CVE-2025-8099 is a denial-of-service vulnerability in GitLab Community Edition and Enterprise Edition affecting all versions from 10.8 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4. Under certain conditions, the GraphQL interface, described as involving GraphQL introspection, can be abused by an unauthenticated remote attacker through repeated GraphQL queries. The issue is characterized by uncontrolled or excessive resource allocation during query handling, allowing repeated or complex requests to overwhelm the service and degrade availability.
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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.
If you can’t patch tonight, do this now.
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.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity denial-of-service vulnerability in GitLab’s GraphQL interface that can crash the service via repeated complex queries.
GitLab denial-of-service vulnerability where unauthenticated attackers can overwhelm the server via repeated GraphQL queries.
Unauthenticated denial-of-service via repeated GraphQL introspection queries under certain conditions.
A denial-of-service vulnerability in GitLab GraphQL introspection that could allow an unauthenticated attacker to cause service disruption via repeated GraphQL queries.
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.