CVE-2026-39852: falha de alta gravidade em quarkusio quarkus
Quarkus authorization bypass via semicolon path normalization inconsistency
Publicada em · Atualizada em
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.8epss 0.6%
probabilidade de exploração
0.6%top 51% das CVEs
exploração observada
nãonenhuma fonte reporta
Quarkus is a Java framework for building cloud-native applications. In versions prior to 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2, a path normalization inconsistency between the security layer and the routing layer allows unauthenticated or lower-privileged users to bypass HTTP path-based authorization policies. Quarkus's security layer performs authorization checks on the raw URL path which preserves matrix parameters (semicolons), while RESTEasy Reactive's routing layer strips matrix parameters before matching endpoints. An attacker can append a semicolon and arbitrary text to a request URL (e.g., /api/admin;anything) to bypass policies protecting /api/admin while still routing to the protected endpoint. This issue has been fixed in versions 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Produtos afetados
quarkusio · quarkusCVEs relacionadas — quarkusio quarkus
No mesmo produto, das mais perigosas para as menos.
CVE-2026-50559HIGHAuthentication/Authorization Bypass via Advanced Path Normalization VulnerabilitiesEPSS 1.0%CVE-2025-66560MEDIUMQuarkus REST has potential worker thread starvation when HTTP connection is closed while waiting to writeEPSS 0.4%CVE-2025-49574MEDIUMQuarkus potential data leak when duplicating a duplicated contextEPSS 0.3%
Referências
https://access.redhat.com/errata/RHSA-2026:11720https://access.redhat.com/errata/RHSA-2026:11721https://access.redhat.com/errata/RHSA-2026:13631https://access.redhat.com/errata/RHSA-2026:17789https://access.redhat.com/errata/RHSA-2026:25089https://access.redhat.com/errata/RHSA-2026:34608https://access.redhat.com/errata/RHSA-2026:54435https://access.redhat.com/security/cve/CVE-2026-39852https://bugzilla.redhat.com/show_bug.cgi?id=2457819https://github.com/quarkusio/quarkus/security/advisories/GHSA-rc95-pcm8-65v9https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39852.json