CVE-2026-28449 (GCVE-0-2026-28449)
Vulnerability from cvelistv5
Published
2026-03-19 01:00
Modified
2026-04-29 14:35
Severity ?
6.3 (Medium) - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CWE
  • CWE-294 - Authentication Bypass by Capture-replay
Summary
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.
References
Impacted products
Vendor Product Version
OpenClaw OpenClaw Version: 0   ≤
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