https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-06T20:21:32.808026+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2026-4858 CVE-2026-4858 — Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token. 2026-10-06T20:21:32.823393+00:00

Affected: Mattermost

Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to check integration URL for path traversal which allows an malicious authenticated user to call an arbitrary API via system admin Mattermost auth token using via path traversal in integration action URL.. Mattermost Advisory ID: MMSA-2026-00640