CVE-2026-4053

Published: Mag 15, 2026 Last Modified: Mag 18, 2026
ExploitDB:
Other exploit source:
Google Dorks:
LOW 3,1
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: none

Description

AI Translation Available

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

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0004
Percentile
0,1th
Updated

EPSS Score Trend (Last 5 Days)

672

Operation on a Resource after Expiration or Release

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Other Availability
Potential Impacts:
Modify Application Data Read Application Data Other Dos: Crash, Exit, Or Restart
Applicable Platforms
Technologies: Mobile
View CWE Details
Application

Mattermost Server by Mattermost

Product Information
Vendor Mattermost
Product Mattermost Server
Version Range Affected
From 10.11.0 (inclusive)
To 10.11.14 (exclusive)
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Mattermost Server by Mattermost

Product Information
Vendor Mattermost
Product Mattermost Server
Version Range Affected
From 11.5.0 (inclusive)
To 11.5.2 (exclusive)
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://mattermost.com/security-updates
https://mattermost.com/security-updates