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VULNERABILITIES

CVE-2026-28474 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/openclaw/openclaw/commit/6b4b6049b47c3329a7014509594647826669892d [email protected]Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-r5h9-vjqc-hq3r [email protected]PatchVendor Advisory
https://www.vulncheck.com/advisories/openclaw-nextcloud-talk-allowlist-bypass-via-actorname-display-name-spoofing [email protected]Broken LinkThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-863Incorrect Authorization[email protected]

Affected Products

ProductVersions
openclaw openclaw
< 2026.2.6

CPE

  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-28474
NVD Published Date:
Mar 5, 2026
NVD Last Modified:
Sep 17, 2026
Source:
[email protected]
CVE-2026-28474 Details - Not Deferred