CVE-2026-22560

Name: CVE-2026-22560
Creator: NVD / NIST
Published: 2026-04-10T17:17:01.98+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2026-22560 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.32%

24.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Rocket.Chat	Rocket.Chat	< 8.4.0

References

https://github.com/RocketChat/Rocket.Chat/pull/38994Issue Tracking
https://hackerone.com/reports/3418031Issue Tracking

Timeline

Published: Apr 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-22560?

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.

How severe is CVE-2026-22560?

CVE-2026-22560 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2026-22560?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-22560?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST