cvedb.io
CVE-2026-58066
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-07-30T06:25:55.540 · Last modified 2026-07-30T06:25:55.540

Summary

Rocket.Chat's SAML SSO before versions 8.7.0, 8.6.1, 8.5.2, 8.4.5, 8.3.7, 8.2.7, 8.1.7, 8.0.8, and 7.10.14 verified XML signatures but did not bind the validated signature to samlp:Response / saml:Assertion. An attacker could submit a wrapped document carrying forged identity attributes alongside any valid signature made by the trusted IdP certificate, and log in as an arbitrary user.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.