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SCA: security update for github.com/mattermost/mattermost-plugin-confluence (GHSA-42m6-5vm7-fjv2)

low Tenable Self-Hosted Container Security Plugin ID 433329

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 get channel subscription details without proper access to the channel via API call to
 the GET autocomplete/GetChannelSubscriptions endpoint. (CVE-2025-53857)

See Also

https://github.com/advisories/GHSA-42m6-5vm7-fjv2

Plugin Details

Severity: Low

ID: 433329

Version: Revision 1.6

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: Low

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2025-53857

CVSS v3

Risk Factor: Low

Base Score: 3.7

Temporal Score: 3.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/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-2025-53857

cwe: CWE-862