VYPR
← All advisories
Medium severity4.3NVD Advisory· Published May 22, 2026· Updated May 22, 2026

CVE-2026-3636

CVE-2026-3636

Description

Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to sanitize team member data when returned via API to users without elevated permissions which allows a user without permissions to get data about team members roles via invoking various team API endpoints.. Mattermost Advisory ID: MMSA-2026-00626

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Mattermost/Mattermost2 versions
    cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: >=10.11.0,<10.11.15
    • (no CPE)range: >=11.4.0 <=11.4.4 or >=11.5.0 <=11.5.3 or >=11.6.0 <=11.6.0 or >=10.11.0 <=10.11.14

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.