Bug 2517693 (CVE-2026-19625)
| Summary: | CVE-2026-19625 quarkus-oidc: Quarkus OIDC: Cross-tenant authentication bypass via shared token-introspection cache | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security <prodsec-ir-bot> |
| Status: | NEW --- | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | ant, avibelli, bgeorges, cescoffi, dandread, dkreling, ewittman, gsmet, janstey, jmartisk, kaycoth, lthon, manderse, mosmerov, nipatil, olubyans, pantinor, pesilva, pgallagh, pjindal, probinso, rguimara, rkubis, rruss, rsvoboda, sbiarozk, security-response-team, tqvarnst |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw was found in Quarkus OIDC. A shared token-introspection cache can be exploited by a remote attacker to bypass authentication across different tenants. This allows unauthorized access to resources or data, leading to a cross-tenant authentication bypass.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
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Description
OSIDB Bzimport
2026-08-18 01:55:28 UTC
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