CVE-2026-58066
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-287 |
| Vendor | rocket.chat |
| Product | rocket.chat |
| Published | Jul 30, 2026 |
| Last Updated | Jul 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Affected Versions
Rocket.Chat / Rocket.Chat
0 < 8.7.0 0 < 8.6.1 0 < 8.5.2 0 < 8.4.5 0 < 8.3.7 0 < 8.2.7 0 < 8.1.7 0 < 8.0.8 0 < 7.10.14
References
Credits
jayden (0jayden)