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Vulnerabilities

Vulnerability · 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.

Published Apr 10, 2026 · catalog updated Jun 17, 2026 · An open redirect vulnerability

Check if you run it

No confirmed exploitation is on record for CVE-2026-22560. EPSS is 0.32%. Act only if a listed version of An open redirect vulnerability is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (An open redirect vulnerability).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Not established
Affected products
cpe rocket.chat/rocket.chat

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe rocket.chat/rocket.chatversion unspecified

How to fix CVE-2026-22560

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-22560. EPSS is 0.32%. Act only if a listed version of An open redirect vulnerability is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-601: URL Redirection to Untrusted Site (Open Redirect). EPSS 0.32%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 10, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-22560

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-22560

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.