CVE-2026-28449
CVE-2026-28449 · OpenClaw < 2026.2.25 - Webhook Replay Attack via Missing Durable Replay Suppression
This page contains facts from public vulnerability sources. Check the original advisory before updating.
OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid signed webhook requests to be replayed without suppression. Attackers can capture and replay previously valid signed webhook requests to trigger duplicate inbound message processing and cause integrity or availability issues.
CVSS 6.3 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
Original sources
- https://github.com/openclaw/openclaw/security/advisories/GHSA-r9q5-c7qc-p26w
- https://github.com/openclaw/openclaw/commit/d512163d686ad6741783e7119ddb3437f493dbbc
- https://www.vulncheck.com/advisories/openclaw-webhook-replay-attack-via-missing-durable-replay-suppression
- https://nvd.nist.gov/vuln/detail/CVE-2026-28449