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EST

PRE-CVE

mattermost · mattermost desktop, server, plugins

Multiple vulnerabilities in Mattermost Desktop, Server, and Plugins

72% confidence

Description

Multiple vulnerabilities in Mattermost allow an attacker to perform unspecified attacks.

Affected Products

Vendor	Product	Versions
mattermost	mattermost desktop, server, plugins	—

Related News (1 articles)

Tier B

BSI Advisories4h ago

[NEU] [mittel] Mattermost Desktop, Server, Plugins: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

→ No new info (linked only)

Discussion (0)

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CISA KEV❌ No

Actively exploited❌ No

PublishedNov 5, 2026

Last enriched3h ago

Tags

mattermostmultiple vulnerabilities

Trending Score23

Source articles1

Independent1

Info Completeness4/14

Missing: cve_id, versions, cvss, epss, cwe, kev, exploit, patch, iocs, mitre_attack

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Related CVEs (5)

HIGHCVE-2026-93851

Path traversal in Mattermost Agents plugin mention reminder allows plugin replacement via crafted post

Multiple vulnerabilities in Mattermost products

HIGHCVE-2026-116516

Insufficient length validation when parsing Zoom chat transcriptions

LOWCVE-2026-93848

Mattermost OpenID discovery endpoint request bypasses outbound connection filtering, allowing SSRF by a System Administrator

MEDIUMCVE-2026-13411

Null condition in Playbooks import crashes the plugin

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Verification

State: reported

Confidence: 72%

Vulnerability Timeline

CVE Published

Nov 5, 2026

Discovered by ZDM

Nov 5, 2026