Red Hat Keycloak keycloak-services logic error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6$5k-$25k0.00

Summaryinfo

A vulnerability classified as problematic was found in Red Hat Keycloak. This affects an unknown part of the component keycloak-services. Such manipulation leads to logic error. This vulnerability is documented as CVE-2025-14559. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Red Hat Keycloak (version unknown). Affected by this issue is an unknown function of the component keycloak-services. The manipulation with an unknown input leads to a logic error vulnerability. Using CWE to declare the problem leads to CWE-840. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in the keycloak-services component of Keycloak. This vulnerability allows the issuance of access and refresh tokens for disabled users, leading to unauthorized use of previously revoked privileges, via a business logic vulnerability in the Token Exchange implementation when a privileged client invokes the token exchange flow.

The advisory is available at access.redhat.com. This vulnerability is handled as CVE-2025-14559 since 12/12/2025. The exploitation is known to be easy. The attack may be launched remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/03/2026).

The vulnerability scanner Nessus provides a plugin with the ID 297527 (Keycloak x < 26.4.9 / 26.5.x < 26.5.2 Token Exchange Vulnerability), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202601-3439), Tenable (297527) and CERT Bund (WID-SEC-2026-0197). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Open Source Keycloak

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (redhat): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Logic error
CWE: CWE-840
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 297527
Nessus Name: Keycloak x < 26.4.9 / 26.5.x < 26.5.2 Token Exchange Vulnerability

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/12/2025 CVE reserved
01/21/2026 +40 days Advisory disclosed
01/21/2026 +0 days VulDB entry created
02/03/2026 +13 days VulDB entry last update

Sourcesinfo

Vendor: redhat.com

Advisory: access.redhat.com
Status: Confirmed

CVE: CVE-2025-14559 (🔒)
GCVE (CVE): GCVE-0-2025-14559
GCVE (VulDB): GCVE-100-342146
CERT Bund: WID-SEC-2026-0197 - Keycloak: Mehrere Schwachstellen
CNNVD: CNNVD-202601-3439 - Keycloak 安全漏洞

Entryinfo

Created: 01/21/2026 08:34
Updated: 02/03/2026 01:20
Changes: 01/21/2026 08:34 (60), 01/22/2026 12:57 (7), 01/23/2026 11:32 (6), 02/03/2026 01:20 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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