Medium severity · published Nov 6, 2025
CVE-2025-12789
Rhsso: open redirect
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
A flaw was found in Red Hat Single Sign-On. This issue is an Open Redirect vulnerability that occurs during the logout process. The redirect_uri parameter associated with the openid-connect logout protocol does not properly validate the provided URL.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Single Sign-On 7 · Red Hat
All versions, or not specified · source: vendor
Affected product
RH
Red Hat Single Sign-On 7
Red Hat
More from Red Hat Single Sign-On 7
9.8
CVE-2026-49875
Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils
9.8
CVE-2026-42581
Netty: HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization
9.8
CVE-2026-33228
flatted: Prototype Pollution via parse()
9.8
CVE-2026-27606
Rollup 4 has Arbitrary File Write via Path Traversal
9.6
CVE-2025-12543
Undertow-core: undertow http server fails to reject malformed host headers leading to potential cache poisoning and ssrf