CVE-2026-91080
webhook through 2.8.3 Memory Exhaustion via Oversized Request Body
CVSS 4.0 8.7 HIGHCVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-91080
Publishedwebhook through 2.8.3 reads the entire request body into memory before evaluating trigger rules, allowing unauthenticated attackers to exhaust memory by sending oversized bodies. Attackers can send multi-gigabyte request bodies with invalid signatures to trigger out-of-memory conditions and crash the service.
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CVE-2026-91080 · CVE overview and exploitation status
cve-program · CVE-2026-91080
Related changes
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