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GHSA-FFPR-PFR4-G354 Mattermost doesn't sanitize team member data when returned via API to users without elevated permissions

🗓️ 26 May 2026 13:30:15Reported by GoogleType 
osv_ghsa
 osv_ghsa
🔗 osv.dev👁 25 Views

Mattermost fails to sanitize team member data via API for users without elevated permissions.

Related
Refs
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Family
attackerkb
attackerkb
CVE-2026-3636
22 May 202610:23
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bdu_fstec
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Mattermost Information Disclosure
1 Jul 202600:00
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circl
Circl
CVE-2026-3636
22 May 202612:53
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cnnvd
CNNVD
Mattermost 安全漏洞
22 May 202600:00
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cve
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CVE-2026-3636
22 May 202610:23
–cve
cvelist
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CVE-2026-3636 Sanitize team member data returned by API
22 May 202610:23
–cvelist
euvd
EUVD
EUVD-2026-31428
22 May 202610:23
–euvd
github
Github Security Blog
Mattermost doesn't sanitize team member data when returned via API to users without elevated permissions
26 May 202613:30
–github
mend
Mend
CVE-2026-3636
22 May 202610:23
–mend
nvd
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CVE-2026-3636
22 May 202611:16
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07 Jul 2026 16:11Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.14.3
EPSS0.00301
25