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CVE-2026-4858

🗓️ 21 May 2026 09:16:30Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 11 Views

CVE-2026-4858: Mattermost fails to validate integration URL path traversal, enabling an authenticated user to call arbitrary API with the system admin token.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-4858
21 May 202608:12
attackerkb
Circl
CVE-2026-4858
19 May 202600:51
circl
CNNVD
Mattermost 路径遍历漏洞
21 May 202600:00
cnnvd
CVE
CVE-2026-4858
21 May 202608:12
cve
Cvelist
CVE-2026-4858 Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token.
21 May 202608:12
cvelist
EUVD
EUVD-2026-31242
21 May 202608:12
euvd
Tenable Nessus
Mattermost Server 10.11.x < 10.11.15 / 11.4.x < 11.4.5 / 11.5.x < 11.5.4 / 11.6.x < 11.6.1 Path Traversal (MMSA-2026-00640)
28 May 202600:00
nessus
Positive Technologies
PT-2026-42439
21 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-4858
5 Jun 202619:14
redhatcve
Snyk
Directory Traversal
21 May 202611:46
snyk
Rows per page
NVD
Node
mattermostmattermost_serverRange10.11.010.11.15
OR
mattermostmattermost_serverRange11.4.011.4.5
OR
mattermostmattermost_serverRange11.5.011.5.4
OR

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