Overly long URLs crash the Mattermost Desktop App
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mattermost | Mattermost | unaffected |
|
Configuration 1 [-]
|
No data.
| Vendor | Product | Versions | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mattermost | Mattermost |
|
Vendor Solution
Update Mattermost Desktop App to versions 6.2.0, 5.13.6.0 or higher.
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.199% probability within 30 days)
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost mattermost Desktop
|
|
| CPEs | cpe:2.3:a:mattermost:mattermost_desktop:*:*:*:*:*:*:*:* cpe:2.3:a:mattermost:mattermost_desktop:*:-:*:*:*:*:*:* |
|
| Vendors & Products |
Mattermost mattermost Desktop
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mattermost
Mattermost mattermost |
|
| Vendors & Products |
Mattermost
Mattermost mattermost |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mattermost Desktop App versions <=6.1 5.5.13.0 fail to account for attempting to open extremely long URLs in the Mattermost Desktop App which allows a malicious server owner to crash the application via including a script to call window.open on a very large URL. Mattermost Advisory ID: MMSA-2026-00652 | |
| Title | Overly long URLs crash the Mattermost Desktop App | |
| Weaknesses | CWE-770 | |
| References |
| |
| Metrics |
cvssV3_1
|