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CVE-2026-19625— IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities

Quick assessment

Affected
IBM Enterprise Build of Quarkus
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

当一个 Quarkus 应用拥有多个由不同 OIDC 提供商租户保护的端点时（例如，“/oidc-provider1” 由 OIDC 提供商 1 保护，“/oidc-provider2” 由 OIDC 提供商 2 保护），并且同时启用了可选的令牌内省（introspection）缓存，那么由 OIDC 提供商 1 签发、可用于访问“/oidc-provider1”的有效令牌，也可以被用于访问由另一个 OIDC 提供商 2 保护的“/oidc-provider2”。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2026-19625

Vulnerability Information
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Vulnerability Title
IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
When a Quarkus application has multiple endpoints secured by individual OIDC provider tenants, such as "/oidc-provider1" that is secured by the OIDC Provider 1 and "/oidc-provider2" that is secured by the OIDC Provider 2, and an optional token introspection cache is also enabled, then a valid token issued by the OIDC Provider 1 that can be used to access "/oidc-provider1" can also be used to access "/oidc-provider2" that is secured by another OIDC Provider 2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Enterprise Build of Quarkus 3.27.1 ~ 3.27.5 cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.1:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19625

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III. Intelligence Information for CVE-2026-19625

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Other References for CVE-2026-19625 (1)

IV. Related Vulnerabilities

Same product: Enterprise Build of Quarkus
Same vendor: IBM
Same weakness: CWE-284

V. Comments for CVE-2026-19625

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