CVE-2026-22560

MEDIUM

Rocket.Chat < 8.4.0 - Open Redirect

Title source: rule

Description

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.

References (2)

https://hackerone.com/reports/3418031

https://github.com/RocketChat/Rocket.Chat/pull/38994

Scores

CVSS v3 5.3

EPSS 0.0003

EPSS Percentile 10.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-601

Status published

Products (2)

rocket.chat/rocket.chat < 8.4.0

Rocket.Chat/Rocket.Chat 8.4.0

Published Apr 10, 2026

Tracked Since Apr 10, 2026