CVE-2026-28474
CVE-2026-28474 · OpenClaw Nextcloud Talk < 2026.2.6 - Allowlist Bypass via actor.name Display Name Spoofing
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 gain unauthorized access to restricted conversations.
CVSS 9.3 · Critical · EPSS 0.6% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
nextcloud-talk
- Versions
- ≥ 0, < 2026.2.6: Affected (custom)
Update to 2026.2.6
@openclaw/nextcloud-talk npm
- Affected ranges
- SEMVER: < 2026.2.6
Update to 2026.2.6
Original sources
- https://github.com/openclaw/openclaw/security/advisories/GHSA-r5h9-vjqc-hq3r
- https://github.com/openclaw/openclaw/commit/6b4b6049b47c3329a7014509594647826669892d
- https://www.vulncheck.com/advisories/openclaw-nextcloud-talk-allowlist-bypass-via-actorname-display-name-spoofing
- https://nvd.nist.gov/vuln/detail/CVE-2026-28474