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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[10.6,18.9.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[18.10,18.10.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[18.11,18.11.1)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "GitLab", "source": "cna", "vendor": "GitLab"}, "product": "gitlab", "vendor": "gitlab"}], "analysis": {"en": {"generated_at": "2026-04-22T18:19:53.643095+00:00", "value": {"mitigation_remediation": ["Upgrade the GitLab cluster to version 18.9.6, 18.10.4, 18.11.1 or later as recommended by the vendor.", "If an immediate upgrade is not feasible, apply temporary rate limiting or request throttling on the discussions endpoint to restrict resource consumption per user.", "Continuously monitor host resource usage for abnormal spikes and validate that the rate limiting remains effective until the patch is applied."], "summary": {"action": "Apply Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "GitLab Community Edition and Enterprise Edition are affected. All versions from 10.6 up to 18.9.5, 18.10 up to 18.10.3, and 18.11 up to 18.11.0 can be impacted. The vendor\u2019s advisory lists GitLab as the sole affected product.", "description_and_impact": "The flaw allows an authenticated user to send specially crafted requests to GitLab\u2019s discussions endpoint, causing the server to allocate resources without limits or throttling. This can deplete memory, CPU, or other critical resources, leading to a denial of service. The vulnerability is identified as CWE-770, reflecting a lack of resource management controls.", "risk_and_exploitability": "The CVSS score of 6.5 indicates a moderate severity. EPSS data is not available, so the likelihood of exploitation presently cannot be quantified, and the vulnerability is not listed in CISA\u2019s KEV catalog. The attack requires authenticated access to the application and crafted HTTP requests directed at the discussions endpoint; thus, it is a post-authentication, internal\u2011side vulnerability that can surface if an account with sufficient privileges can be used."}}}}, "created": "2026-04-22T18:30:23.752357+00:00", "updated": "2026-04-22T20:15:20.257788+00:00", "vendors": ["gitlab", "gitlab$PRODUCT$gitlab"]}