Description
Nextcloud User Saml is an app for authenticating Nextcloud users using SAML. In affected versions users can be given a link to the Nextcloud server and end up on a uncontrolled thirdparty server. It is recommended that the User Saml app is upgraded to version 5.1.5, 5.2.5, or 6.0.1. There are no known workarounds for this issue.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_confirm
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-622q-xhfr-xmv7
Patch x_refsource_misc
https://github.com/nextcloud/user_saml/pull/788
Patch x_refsource_misc
https://github.com/nextcloud/user_saml/commit/b184304a476deeba36e92b70562d5de7c2f85f8a
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/2263044
Scores
CVSS v3
3.1
EPSS
0.0027
EPSS Percentile
50.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-601
Status
published
Products (2)
nextcloud/sso_\&_saml_authentication
6.0.0
nextcloud/sso_\&_saml_authentication
5.0.0 - 5.1.5
Published
Jan 18, 2024
Tracked Since
Feb 18, 2026