CVEFinder.io

CVE-2026-1628

đŸ”ļ medium
🔍 Scan for this CVE
Summary

Mattermost Desktop App versions <=5.13.3 fail to attach listeners restricting navigation to external sites within the Mattermost app which allows a malicious server to expose preload script functionality to untrusted servers via having a user open an external link in their Mattermost server. Mattermost Advisory ID: MMSA-2026-00596

CVSS Score
4.6
Medium
EPSS Score
0.0
Exploit Probability
Published Date
2026-03-02
First Seen: 2026-03-03
📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 13.0% of all 328,009 vulnerabilities in our database.

#285,303
Below average severity
Severity Percentile
đŸŽ¯ CISA SSVC Assessment Updated: Mar 2, 2026
🔍 Exploitation Status
None
No known exploits
⚙ī¸ Automatable
NO
Requires human interaction
đŸ’Ĩ Technical Impact
Partial
Limited system impact
🏆 Discovered By
N/A
SSVC data provided by CISA
Last Modified 2026-03-05
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE IDs (Weakness Types)
CWE-829

đŸ“Ļ Affected Products 1

Vendor Product Status Affected Versions
mattermost mattermost_desktop Affected
< 5.13.4

🔗 References 1

https://mattermost.com/security-updates
Vendor Advisory

🔗 Related CVEs 6

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-6517 đŸ”ļ medium 6.3 0.2 Mattermost Desktop App versions <=6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were... 2026-06-15
CVE-2026-8683 đŸ”ļ medium 6.5 0.2 Mattermost Desktop App versions <=6.1 5.5.13.0 fail to account for attempting to open extremely long URLs in the Matterm... 2026-06-15
CVE-2026-3471 đŸ”ļ medium 6.5 0.0 Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent an invalid URL from loading in a pop-up window in t... 2026-05-18
CVE-2026-4643 ℹī¸ low 3.5 0.0 Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent server-rendered content from closing an underlying ... 2026-05-18
CVE-2026-1046 ⚠ī¸ high 7.6 0.0 Mattermost Desktop App versions <=6.0 6.2.0 5.2.13.0 fail to validate help links which allows a malicious Mattermost ser... 2026-02-16
CVE-2025-13321 ℹī¸ low 3.3 0.0 Mattermost Desktop App versions <6.0.0 fail to sanitize sensitive information from Mattermost logs and clear data on ser... 2025-12-17
These CVEs affect the same products