Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-58066

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 15.4%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-58066


Contact Us

Shodan ® - All rights reserved