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5.4
MEDIUM CVSS 3.1
CVE-2025-3910
Keycloak Authorization Bypass Vulnerability
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.

INFO

Published Date :

April 29, 2025, 9:15 p.m.

Last Modified :

Aug. 18, 2025, 3:55 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-3910 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Keycloak keycloak
1 Redhat build_of_keycloak
: Total Affected Vendor : 2 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
Solution
Update Keycloak to address bypass of required multi-factor authentication setup.
  • Update Keycloak to the latest secure version.
  • Review and enforce multi-factor authentication policies.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-3910.

URL Resource
https://access.redhat.com/errata/RHSA-2025:4335 Vendor Advisory
https://access.redhat.com/errata/RHSA-2025:4336 Vendor Advisory
https://access.redhat.com/security/cve/CVE-2025-3910 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2361923 Vendor Advisory
https://github.com/keycloak/keycloak/issues/39349 Issue Tracking
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-3910 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-3910 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-3910 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-3910 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 18, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
    Added CPE Configuration OR *cpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:text-only:*:*:* versions from (including) 26.0 up to (excluding) 26.0.11
    Added Reference Type Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2025:4335 Types: Vendor Advisory
    Added Reference Type Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2025:4336 Types: Vendor Advisory
    Added Reference Type Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2025-3910 Types: Vendor Advisory
    Added Reference Type Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2361923 Types: Vendor Advisory
    Added Reference Type Red Hat, Inc.: https://github.com/keycloak/keycloak/issues/39349 Types: Issue Tracking
  • CVE Modified by [email protected]

    Jul. 28, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/keycloak/keycloak/issues/39349
  • CVE Modified by [email protected]

    Apr. 30, 2025

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2025:4336
  • CVE Modified by [email protected]

    Apr. 29, 2025

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2025:4335
  • New CVE Received by [email protected]

    Apr. 29, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
    Added CWE CWE-287
    Added Reference https://access.redhat.com/security/cve/CVE-2025-3910
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2361923
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.4
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact