Keycloak
CVE-2026-0871
MEDIUM
GHSA-v4jw-m6rm-399h
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
3Blast Radius
ecosystem impact- 57 maven packages depend on org.keycloak:keycloak-server-spi-private (26 direct, 31 indirect)
Ecosystem-wide dependent count for version 26.5.2.
DescriptionCVE.org
A flaw was found in Keycloak. An administrator with manage-users permission can bypass the "Only administrators can view" setting for unmanaged attributes, allowing them to modify these attributes. This improper access control can lead to unauthorized changes to user profiles, even when the system is configured to restrict such modifications.
AnalysisAI
Build Of Keycloak contains a vulnerability that allows attackers to unauthorized changes to user profiles, even when the system is configured to res (CVSS 4.9).
Technical ContextAI
affects Build Of Keycloak. was found in Keycloak. An administrator with manage-users permission can bypass the "Only administrators can view" setting for unmanaged attributes, allowing them to modify these attributes. This improper access control can lead to unauthorized changes to user profiles, even when the system is configured to restrict such modifications.
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remot
The org.keycloak.services.resources.SocialResource.callback method in JBoss KeyCloak before 1.0.3.Final allows remote at
An unconstrained memory consumption vulnerability was discovered in Keycloak. Rated high severity (CVSS 7.7), this vulne
Due to improper authorization, Red Hat Single Sign-On is vulnerable to users performing actions that they should not be
A privilege escalation flaw was found in the token exchange feature of keycloak. Rated critical severity (CVSS 9.8), thi
A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used in
A flaw was found in keycloak in versions before 13.0.0. Rated critical severity (CVSS 9.6), this vulnerability is remote
A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to t
A flaw was found in Keycloak. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack c
A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using
Keycloak's SAML identity provider broker fails to enforce client disabled status during IdP-initiated SSO flows, allowin
A flaw was found in the Keycloak package, more specifically org.keycloak.userprofile. Rated high severity (CVSS 8.8), th
Same weakness CWE-266 – Incorrect Privilege Assignment
View allSame technique Authentication Bypass
View allVendor StatusVendor
Share
External POC / Exploit Code
Leaving vuln.today