CVE-2026-1046
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Arbitrary application execution via unvalidated server-controlled URLs in Help menu
Mattermost Desktop App versions <=6.0 6.2.0 5.2.13.0 fail to validate help links which allows a malicious Mattermost server to execute arbitrary executables on a user’s system via the user clicking on certain items in the Help menu Mattermost Advisory ID: MMSA-2026-00577
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Mattermost
- Vendor
- Mattermost
- Product
- Mattermost
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0 | affected | semver | Unavailable | 6.2.0 | None listed |
| 0 | affected | semver | Unavailable | 5.2.13 | None listed |
| 6.1.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 6.0.3.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 5.13.3.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |