CVE-2026-28474 OpenClaw Nextcloud Talk < 2026.2.6 - Allowlist Bypass via actor.name Display Name Spoofing

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...

CVE-2026-28474 OpenClaw Nextcloud Talk < 2026.2.6 - Allowlist Bypass via actor.name Display Name Spoofing

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...

GHSA-R5H9-VJQC-HQ3R Nextcloud Talk allowlist bypass via actor.name display name spoofing

Summary In affected versions of the optional Nextcloud Talk plugin installed separately; not bundled with the core OpenClaw install, an untrusted webhook field actor.name, display name could be treated as an allowlist identifier. An attacker could change their Nextcloud display name to match an...

Nextcloud Talk allowlist bypass via actor.name display name spoofing

Summary In affected versions of the optional Nextcloud Talk plugin installed separately; not bundled with the core OpenClaw install, an untrusted webhook field actor.name, display name could be treated as an allowlist identifier. An attacker could change their Nextcloud display name to match an...