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CVE-2025-9072

One-Click Mattermost Account Takeover via Poisoned RelayState SAML Parameter PUBLISHED

Description (CNA)

Mattermost versions 10.10.x <= 10.10.1, 10.5.x <= 10.5.9, 10.9.x <= 10.9.4 fail to validate the redirect_to parameter, allowing an attacker to craft a malicious link that, once a user authenticates with their SAML provider, could post the user’s cookies to an attacker-controlled URL.

Affected (CNA)

Vendor / productVersions
Mattermost / Mattermostaffected 10.10.0 through 10.10.1; affected 10.5.0 through 10.5.9; affected 10.9.0 through 10.9.4; unaffected 10.11.0; unaffected 10.10.2; unaffected 10.5.10; unaffected 10.9.5

CWE

CWE-601

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.