CVE-2026-93846
Team admin can escalate a team member's permissions via the team member roles endpoint
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Mattermost, the team collaboration platform, is affected by this vulnerability. A team admin could use the team member roles API to grant a team member permissions beyond what the team's configured permission scheme allows.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
Mattermost versions 11.7.x <= 11.7.10 fail to restrict which built-in roles can be assigned to a team member via the API, which allows a team admin to grant a team member permissions beyond those permitted by the configured permission scheme via the {{update-team-member-roles}} REST API.. Mattermost Advisory ID: MMSA-2026-00734
Timeline
- CVE published
- First seen by cve.now
Affected versions
- Mattermost Mattermost
From 11.7.0 · through 11.7.10