CVE-2025-49810 | BDVDB-2026-290683 Detail

MattermostMattermost

Description#

Mattermost versions 10.5.x <= 10.5.8 fail to validate access controls at time of access which allows user to read a thread via AI posts

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

No public exploit known

3.5 Low

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 10.4.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Incorrect Authorization

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

3.5 Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).