CVE-2026-3472

The record

Mattermost versions 10.11.x <= 10.11.18, 11.6.x <= 11.6.3, 11.5.x <= 11.5.6 fail to properly apply markdown image rendering restrictions to AI bot tool result posts, which allows an authenticated attacker to exfiltrate data to an attacker-controlled server via injecting markdown image syntax into tool result content rendered by a victim's client.. Mattermost Advisory ID: MMSA-2026-00619

Affected packages

Related vulnerabilities

• CVE-2026-113730 OGNL is an Object Graph Navigation Library for Java. CWE-693
• CVE-2026-112077 A vulnerability was detected in radareorg radare2 6.2.0/6.2.2. CWE-693
• CVE-2026-88838 A flaw was found in BusyBox's mount utility. CWE-693
• CVE-2026-101899 Axios is a promise-based HTTP client for the browser and Node.js. CWE-693
• CVE-2026-107226 The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP… CWE-693
• CVE-2026-107697 FFmpeg before 8.1.3 contains a protection mechanism failure in the HLS demuxer that… CWE-693
• CVE-2026-105083 ImageMagick before 7.1.2-32 and 6.9.13-57 contains a policy bypass vulnerability in… CWE-693
• CVE-2026-101900 Axios is a promise-based HTTP client for the browser and Node.js. CWE-693