Critical severity9.8NVD Advisory· Published Mar 5, 2026· Updated May 6, 2026
CVE-2026-28474
CVE-2026-28474
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@openclaw/nextcloud-talknpm | < 2026.2.6 | 2026.2.6 |
Affected products
3- OpenClaw/nextcloud-talkv5Range: 0
Patches
Vulnerability mechanics
References
6- github.com/openclaw/openclaw/commit/6b4b6049b47c3329a7014509594647826669892dnvdPatchWEB
- github.com/openclaw/openclaw/security/advisories/GHSA-r5h9-vjqc-hq3rnvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-r5h9-vjqc-hq3rghsaADVISORY
- www.vulncheck.com/advisories/openclaw-nextcloud-talk-allowlist-bypass-via-actorname-display-name-spoofingnvdThird Party AdvisoryBroken Link
- github.com/openclaw/openclaw/commit/660f87278c9f292061e097441e0b10c20d62b31bghsaWEB
- github.com/openclaw/openclaw/releases/tag/v2026.2.3ghsaWEB
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