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OSV
OSV
•added 2026/05/21 8:12 a.m.•36 views

CVE-2026-4858 Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token.

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...

8CVSS7.3AI score
SaveExploits0References3
Cvelist
Cvelist
•added 2026/05/21 8:12 a.m.•74 views

CVE-2026-4858 Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token.

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...

8CVSS0.00395EPSS
SaveExploits0References1
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