CVE-2026-22560

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Summary

CVECVE-2026-22560
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-10 17:17:01 UTC
Updated2026-04-14 19:16:33 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from ADP

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

EPSS: 0.000170000 probability, percentile 0.041060000 (date 2026-04-13)

Problem Types: CWE-601 | CWE-601 CWE-601 Open Redirect

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Rocket.Chat Rocket.Chat affected 8.4.0 8.4.0 semver Not specified

References

ReferenceSourceLinkTags
github.com/RocketChat/Rocket.Chat/pull/38994 [email protected] github.com
hackerone.com/reports/3418031 [email protected] hackerone.com
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