CVEvulnerability

CVE-2026-58066

9.8 CRITICAL Published 2026-07-30 Modified 2026-08-25 Official page ↗
Status
Analyzed
Published
2026-07-30
Last modified
2026-08-25
Assigner
[email protected]
CVSS 3.0 ([email protected])
9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-287

Description

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.

Affected configurations

• rocket.chat rocket.chat (< 7.10.14) • rocket.chat rocket.chat (>= 8.0.0 < 8.0.8) • rocket.chat rocket.chat (>= 8.1.0 < 8.1.7) • rocket.chat rocket.chat (>= 8.2.0 < 8.2.7) • rocket.chat rocket.chat (>= 8.3.0 < 8.3.7) • rocket.chat rocket.chat (>= 8.4.0 < 8.4.5) • rocket.chat rocket.chat (>= 8.5.0 < 8.5.2) • rocket.chat rocket.chat (>= 8.6.0 < 8.6.1)

Related

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References