CVE-2026-91080
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Sep 14, 2026
Vendor
unknown
Description
webhook 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.