CVE-2026-22560

EUVD-2026-21500
An open redirect vulnerability in Rocket.Chat versions prior to 8.4.0 allows users to be redirected to arbitrary URLs by manipulating parameters within a SAML endpoint.
Open Redirect
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
Affected Products (NVD)
VendorProductVersion
rocket.chatrocket.chat
𝑥
< 8.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/RocketChat/Rocket.Chat/pull/38994
https://hackerone.com/reports/3418031