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SCA: security update for github.com/mattermost/mattermost-plugin-confluence (GHSA-v6c8-g53h-mc2h)

medium Tenable Self-Hosted Container Security Plugin ID 433320

Description

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

 - Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which
 allows attackers to create a channel subscription without proper access to the channel via API call to the
 edit channel subscription endpoint. (CVE-2025-53910)

See Also

https://github.com/advisories/GHSA-v6c8-g53h-mc2h

Plugin Details

Severity: Medium

ID: 433320

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 8/12/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2025-53910

CVSS v3

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/11/2025

Vulnerability Publication Date: 8/11/2025

Reference Information

CVE: CVE-2025-53910

cwe: CWE-862