CVE-2026-91080 — webhook through 2.8.3 Memory Exhaustion via Oversized Request Body
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…
Published: 2026-09-14 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7