7.6
CVE-2026-1046
- EPSS 0.24%
- Veröffentlicht 16.02.2026 12:10:38
- Zuletzt bearbeitet 23.03.2026 17:27:17
- Quelle responsibledisclosure@mattermo
- CVE-Watchlists
- Unerledigt
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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mattermost ≫ Mattermost Desktop Version >= 5.13.2 < 5.13.3
Mattermost ≫ Mattermost Desktop Version >= 6.0.0 < 6.0.3
VulnDex Vulnerability Enrichment
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Login| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.24% | 0.141 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 6.5 | 2.8 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
|
| responsibledisclosure@mattermost.com | 7.6 | 2.3 | 4.7 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:L
|
CWE-939 Improper Authorization in Handler for Custom URL Scheme
The product uses a handler for a custom URL scheme, but it does not properly restrict which actors can invoke the handler using the scheme.
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