CVE-2026-2457
Medium · 4.3CVSS
4.3
EPSS
0.1%
Published
Mar 16, 2026
CISA due date
—
The record
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to sanitize client-supplied post metadata which allows an authenticated attacker to spoof permalink embeds impersonating other users via crafted PUT requests to the post update API endpoint.. Mattermost Advisory ID: MMSA-2025-00569
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| openSUSE:Leap 15.6 | govulncheck-vulndb | 0 | 0.0.20260326T203309-150000.1.155.2 |
Related vulnerabilities
- CVE-2026-33990 Docker Model Runner (DMR) is software used to manage, run, and deploy AI models using… Also affects govulncheck-vulndb
- CVE-2026-34204 MinIO is a high-performance object storage system. Also affects govulncheck-vulndb
- CVE-2026-34041 act is a project which allows for local running of github actions. Also affects govulncheck-vulndb
- CVE-2026-34042 act is a project which allows for local running of github actions. Also affects govulncheck-vulndb
- CVE-2026-34040 Moby is an open source container framework. Also affects govulncheck-vulndb
- CVE-2026-33997 Moby is an open source container framework. Also affects govulncheck-vulndb
- CVE-2026-27018 Gotenberg is an API for converting document formats. Also affects govulncheck-vulndb
- CVE-2026-33026 Nginx UI is a web user interface for the Nginx web server. Also affects govulncheck-vulndb