CVE-2025-3910
mediumpriority · track · 22EPSS 0.004 · 38 %ileDEEUNLUSEPSS · scored 2026-10-23
A flaw was found in Keycloak. The org.keycloak.authorization package may be vulnerable to circumventing required actions, allowing users to circumvent requirements such as setting up two-factor authentication.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (19)
Products and version ranges known to be affected.
- keycloak-rhel9≤ vers:oci/26.0-1745967474ncsc_nlNLpkg:oci/keycloak-rhel9@sha256:87ff67880fd7f44174b263759c99f4d701cf208eeb6f4abf636a10b98ec023d0?arch=ppc64le&repository_url=registry.redhat.io/rhbk/keycloak-rhel9&tag=26.0-1745967474
- keycloak-rhel9-operator≤ vers:oci/26.0-1745967472ncsc_nlNLpkg:oci/keycloak-rhel9-operator@sha256:acd2a3adf7365e62689b79608c2289c804f47f97a81f9e8ddf3fecdce6d6f0ec?arch=s390x&repository_url=registry.redhat.io/rhbk/keycloak-rhel9-operator&tag=26.0-1745967472
advisories (4)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0141Kwetsbaarheden verholpen in KeycloakNL2025-05-06csaf · ncsc_nlNL
Red Hat heeft kwetsbaarheden verholpen in Keycloak.
- WID-SEC-W-2025-0908Keycloack: Mehrere Schwachstellen ermöglichen Umgehen von SicherheitsvorkehrungenDeutsch2025-04-29csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Keycloack ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
- GHSA-5jfq-x6xp-7rw2Keycloak vulnerable to two factor authentication bypass2025-04-30ghsa · osvUS
# Description A flaw was found in Keycloak. The org.keycloak.authorization package may be vulnerable to circumventing required actions, allowing users to circumvent requirements such as setting up two-factor authentication.
- BIT-keycloak-2025-3910Org.keycloak.authentication: two factor authentication bypass2026-08-25vendor · osvUS
A flaw was found in Keycloak. The org.keycloak.authorization package may be vulnerable to circumventing required actions, allowing users to circumvent requirements such as setting up two-factor authentication.
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (18)
External citations — patches, advisories, analysis.
- https://access.redhat.com/errata/RHSA-2025:4335cnnvd
- https://access.redhat.com/errata/RHSA-2025:4336cnnvd
- https://access.redhat.com/security/cve/CVE-2025-3910cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2361923cnnvd
- https://github.com/keycloak/keycloak/issues/39349cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-3910cnnvd
- https://vigilance.fr/vulnerability/Keycloak-user-access-via-Two-Factor-Authentication-Bypass-46993cnnvd
- https://www.keycloak.org/Patchcnnvd
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