What’s Vulnerable › Vulnerabilities

CVE-2023-49594

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-12-23 · updated 2026-06-17
• Weakness: CWE-201

Description

An information disclosure vulnerability exists in the challenge functionality of instipod DuoUniversalKeycloakAuthenticator 1.0.7 plugin. A specially crafted HTTP request can lead to a disclosure of sensitive information. A user logging into Keycloak using DuoUniversalKeycloakAuthenticator plugin triggers this vulnerability.

Affected products

• instipod DuoUniversalKeycloakAuthenticator: before 1.0.8 — fixed in 1.0.8

How to fix

Upgrade to a fixed version: instipod DuoUniversalKeycloakAuthenticator 1.0.8. Check the vendor advisory for mitigations.

References

• https://github.com/instipod/DuoUniversalKeycloakAuthenticator/releases/tag/1.0.8
• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1907
• https://github.com/instipod/DuoUniversalKeycloakAuthenticator/releases/tag/1.0.8
• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1907
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1907

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