Denial of Service in GitLab EE GraphQL SBOM API
CVE-2026-1101 is a denial-of-service vulnerability in GitLab Enterprise Edition (EE) affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3. The issue is in the GraphQL SBOM API, where improper input validation in GraphQL queries allows an authenticated user to submit crafted requests that can exhaust resources or otherwise destabilize processing, resulting in denial of service of the GitLab instance.
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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.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A denial-of-service vulnerability in the GraphQL SBOM API affecting GitLab Enterprise Edition.
A medium-severity GitLab denial-of-service vulnerability caused by improper GraphQL input validation, allowing an authenticated user to impact the entire instance.
A denial-of-service vulnerability in the GitLab EE GraphQL SBOM API caused by improper input validation in GraphQL queries.
A denial-of-service vulnerability in the GitLab EE GraphQL SBOM API caused by improper input validation in GraphQL queries.
The version that knows your environment.
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.