PT-2026-27226

OpenClaw before 2026.2.25 lacks durable replay state for Nextcloud Talk webhook events, allowing valid signed requests to be replayed. Attackers can capture and replay previously valid signed webhook requests to trigger duplicate inbound processing and cause integrity or availability issues...

Duplicate Advisory: OpenClaw's Nextcloud Talk webhook replay could trigger duplicate inbound processing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-r9q5-c7qc-p26w. This link is maintained to preserve external references. Original Description OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid sign...

GHSA-866C-WWM5-4RJ7 Duplicate Advisory: OpenClaw's Nextcloud Talk webhook replay could trigger duplicate inbound processing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-r9q5-c7qc-p26w. This link is maintained to preserve external references. Original Description OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid sign...

CVE-2026-28449

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 an...

CVE-2026-28449 OpenClaw < 2026.2.25 - Webhook Replay Attack via Missing Durable Replay Suppression

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 an...

CVE-2026-28449 OpenClaw < 2026.2.25 - Webhook Replay Attack via Missing Durable Replay Suppression

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 an...

CVE-2026-28449

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 an...

EUVD-2026-13011

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 an...

CVE-2026-28449

OpenClaw versions prior to 2026.2.25 are affected by a missing durable replay suppression for Nextcloud Talk webhook events. This allows valid signed webhook requests to be replayed, triggering duplicate inbound message processing and potentially impacting integrity and availability. The vulnerab...

CVE-2026-28449 OpenClaw < 2026.2.25 - Webhook Replay Attack via Missing Durable Replay Suppression

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 an...

OpenClaw 安全漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.2.25 contained security vulnerabilities. These vulnerabilities stemmed from a lack of persistent replay protection for Nextcloud Talk webhook events. This allowed attackers to...

GHSA-F7PM-6HR8-7GGM vulnerabilities

Vulnerabilities for packages: nextcloud-server...

CVE-2026-30964 vulnerabilities

Vulnerabilities for packages: nextcloud-server...

GHSA-F7PM-6HR8-7GGM vulnerabilities

Vulnerabilities for packages: nextcloud-server...

CVE-2026-30964 vulnerabilities

Vulnerabilities for packages: nextcloud-server...

Nextcloud: SMIL values and by attributes bypass remote image blocking via unvalidated resource-loading animations, enabling email tracking without consent

A vulnerability was discovered in the HTML sanitizer of the Roundcube webmail client. The vulnerability allowed attackers to bypass the "Block remote images" security feature by using SMIL animation attributes to load arbitrary external resources without validation. This could have enabled email...

CVE-2026-28474

OpenClaw's Nextcloud Talk plugin versions prior to 2026.2.6 accept equality matching on the mutable actor.name display name field for allowlist validation, allowing attackers to bypass DM and room allowlists. An attacker can change their Nextcloud display name to match an allowlisted user ID and...

Fedora 44 : nextcloud (2026-94519b94d8)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-94519b94d8 advisory. 32.0.6 release Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for...

Remote code execution in Nextcloud Flow via vulnerable Windmill version

None...

Fedora 43 : nextcloud (2026-ae48fa379e)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-ae48fa379e advisory. 32.0.6 release Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested for...