CVE-2026-8683
- Source
- https://cve.org/CVERecord?id=CVE-2026-8683
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-8683.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-8683
- Published
- 2026-06-15T14:06:21.686Z
- Modified
- 2026-07-15T01:48:51.360615399Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Overly long URLs crash the Mattermost Desktop App
- Details
-
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
- Database specific
{ "cwe_ids": [ "CWE-770" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8683.json", "cna_assigner": "Mattermost", "unresolved_ranges": [ { "extracted_events": [ { "last_affected": "5.5.13" } ], "source": "AFFECTED_FIELD" } ] }- References
Affected packages
Git / github.com/mattermost/desktop
Affected ranges
- Type
- GIT
- Repo
- https://github.com/mattermost/desktop
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
- Database specific
{ "cpe": "cpe:2.3:a:mattermost:mattermost_desktop:*:-:*:*:*:*:*:*", "extracted_events": [ { "introduced": "0" }, { "last_affected": "5.13.0" } ], "source": "CPE_RANGE" }