Known Vulnerabilities for Mattermost Desktop by Mattermost
Listed below are 10 of the newest known vulnerabilities associated with "Mattermost Desktop" by "Mattermost".
These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.
Data on known vulnerable versions is also displayed based on information from known CPEs
Known Vulnerabilities
| CVE | Shortened Description | Severity | Publish Date | Last Modified |
|---|---|---|---|---|
| CVE-2026-8683 json | Mattermost Desktop App versions <=6.1 5.5.13.0 fail to account for attempting to open extremely long URLs in the Mattermost D... | Not Provided | 2026-06-15 | 2026-06-15 |
| CVE-2026-6517 json | Mattermost Desktop App versions <=6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forw... | Not Provided | 2026-06-15 | 2026-06-15 |
| CVE-2026-4643 json | Mattermost Desktop App versions <=6.1 6.0.1 5.4.13.0 fail to prevent server-rendered content from closing an underlying appli... | Not Provided | 2026-05-18 | 2026-05-18 |
| CVE-2026-3471 json | 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 the Ma... | Not Provided | 2026-05-18 | 2026-05-18 |
| CVE-2023-5920 json | Mattermost Desktop for MacOS fails to utilize the secure keyboard input functionality provided by macOS, allowing for other p... | 3.3 - LOW | 2023-11-02 | 2023-11-09 |
| CVE-2023-5876 json | Mattermost fails to properly validate a RegExp built off the server URL path, allowing an attacker in control of an enrolled ... | 5.3 - MEDIUM | 2023-11-02 | 2023-11-09 |
| CVE-2023-5875 json | Mattermost Desktop fails to correctly handle permissions or prompt the user for consent on certain sensitive ones allowing m... | 5.3 - MEDIUM | 2023-11-02 | 2023-11-09 |
| CVE-2023-5339 json | Mattermost Desktop fails to set an appropriate log level during initial run after fresh installation resulting in logging a... | 5.5 - MEDIUM | 2023-10-17 | 2023-10-24 |
| CVE-2023-2000 json | Mattermost Desktop App fails to validate a mattermost server redirection and navigates to an arbitrary website | 5.4 - MEDIUM | 2023-05-02 | 2023-05-09 |
| CVE-2020-14456 json | An issue was discovered in Mattermost Desktop App before 4.4.0. The Same Origin Policy is mishandled during access-control de... | 7.3 - HIGH | 2020-06-19 | 2020-06-25 |
Known Affected Configurations (CPE V2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Mattermost | Mattermost Desktop | 4.4.0 | |||
| Application | Mattermost | Mattermost Desktop | 4.3.0 | |||
| Application | Mattermost | Mattermost Desktop | 4.2.2 | |||
| Application | Mattermost | Mattermost Desktop | 4.0.0 | |||
| Application | Mattermost | Mattermost Desktop | 3.4.0 |