CVE-2026-22560

MEDIUM 5.3CVE-2026-22560 · Published 10/04/2026 · updated 17/06/2026

In short

CVE-2026-22560 is a MEDIUM (CVSS 5.3) vulnerability affecting rocket.chat (rocket.chat).
Chance of exploitation in the next 30 days (EPSS): 0.32%, higher than 25.3% of all vulnerabilities.
Fix: update to 8.4.0 or later.

Package	Affected versions	Patched versions
rocket.chat rocket.chat	`< 8.4.0`	`8.4.0`

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

RocketChat/Rocket.Chat#38994 · Issue Tracking
hackerone.com/reports/3418031 · Issue Tracking

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Package

Affected versions

Patched versions

rocket.chat

< 8.4.0

8.4.0

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