CVE-2025-59480mediumCWE-352

CVE-2025-59480: medium-severity vulnerability in Mattermost

Inadequate validation of SSO redirect credentials permits credential theft

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.1epss 0.2%
Mattermost Mobile Apps versions <=2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
Affected products
Mattermost · Mattermost
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