CVE-2026-58066
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Rocket.Chat | Rocket.Chat | 0 < 8.7.0 | affected |
| Rocket.Chat | Rocket.Chat | 0 < 8.6.1 | affected |
| Rocket.Chat | Rocket.Chat | 0 < 8.5.2 | affected |
| Rocket.Chat | Rocket.Chat | 0 < 8.4.5 | affected |
| Rocket.Chat | Rocket.Chat | 0 < 8.3.7 | affected |
| Rocket.Chat | Rocket.Chat | 0 < 8.2.7 | affected |
| Rocket.Chat | Rocket.Chat | 0 < 8.1.7 | affected |
| Rocket.Chat | Rocket.Chat | 0 < 8.0.8 | affected |
| Rocket.Chat | Rocket.Chat | 0 < 7.10.14 | affected |
Weaknesses
- CWE-287: CWE-287 Improper Authentication - Generic
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
References
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