SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-4053

LOW · CVSS 3.1 EPSS 0.17%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-15 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 3.1. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-4053
Severity
LOW
CVSS
3.1
EPSS
0.17%

Original NVD Description

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce the PostEditTimeLimit on non-message post fields which allows an authenticated user to modify post file attachments, props, and pin status after the edit window has expired via the post patch and update API endpoints.. Mattermost Advisory ID: MMSA-2026-00631

Related CVEs

Other vulnerabilities affecting the same vendor(s)