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CVE-2026-1092 is a denial-of-service vulnerability in GitLab Community Edition and Enterprise Edition affecting all versions from 12.10 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3. The flaw is in the Terraform state lock API, where JSON payloads were insufficiently validated before processing and parsing occurred before authentication checks were fully enforced. As a result, an unauthenticated remote attacker could submit malformed, oversized, or deeply nested JSON input that forces the server to expend excessive resources while handling the request. The issue is associated with improper validation of quantitative properties in input and can be triggered without valid credentials.
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No public exploit code observed for this vulnerability.
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12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A denial-of-service vulnerability in GitLab's Terraform state lock API caused by improper JSON validation.
A high-severity GitLab denial-of-service vulnerability in the Terraform state lock API caused by improper JSON validation, exploitable by an unauthenticated user.
A denial-of-service vulnerability in the GitLab CE/EE Terraform state lock API caused by improper input validation of JSON payloads.
An unauthenticated denial-of-service vulnerability in GitLab CE/EE's Terraform state lock API caused by improper validation of JSON input quantities before authentication is enforced.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.