Is CVE-2026-28474 actively exploited?

No active exploitation of CVE-2026-28474 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-28474 be exploited remotely?

Yes. CVE-2026-28474 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-28474?

CVE-2026-28474 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2026-28474

CRITICAL

CVE-2026-28474

CWE-863Published: March 5, 2026· Updated: Mar 9, 2026

9.8

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.6th

Official 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.

NVD Source

Technical Analysis

CVE-2026-28474 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.