VULNERABILITY INTELLIGENCE
CVE-2026-91080
CVSS score7.5 HIGH
EPSS probability0.66%
CISA KEVNot currently listed
Published2026-09-14
Last modified2026-09-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- disclosure@vulncheck.com: CWE-770