Detections
Analytics

SCA: security update for @openclaw/nextcloud-talk (GHSA-r5h9-vjqc-hq3r)

critical Tenable Self-Hosted Container Security Plugin ID 437789

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2026-28474)

See Also

https://github.com/advisories/GHSA-r5h9-vjqc-hq3r

Plugin Details

Severity: Critical

ID: 437789

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 2/18/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.5

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-28474

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/17/2026

Vulnerability Publication Date: 2/17/2026

Reference Information

CVE: CVE-2026-28474

cwe: CWE-290