PT-2026-51029 · Quarkusio · Quarkus

Geoand · Published 2026-06-19 · Updated 2026-06-19 · CVE-2026-50559

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Quarkus versions prior to 3.37.0 Quarkus versions prior to 3.36.3 Quarkus versions prior to 3.33.3 Quarkus versions prior to 3.33.2.1 Quarkus versions prior to 3.27.5 Quarkus versions prior to 3.27.4.1 Quarkus versions prior to 3.20.6.2

Description Quarkus, a Java framework for cloud-native applications, allows the bypass of HTTP path-based authorization policies. This can be achieved by using encoded semicolons (%3B) to smuggle matrix parameters past the security layer, or by using encoded slashes (%2F) and backslashes (%5C) to gain unauthorized access to protected static resources.

Recommendations Update to version 3.37.0 Update to version 3.36.3 Update to version 3.33.3 Update to version 3.33.2.1 Update to version 3.27.5 Update to version 3.27.4.1 Update to version 3.20.6.2

Fix

Improper Authentication

Incorrect Authorization

Weakness Enumeration

CWE-287

CWE-863

Related Identifiers

CVE-2026-50559

Affected Products

Quarkus

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-50559 · Security Note
• https://github.com/quarkusio/quarkus/security/advisories/GHSA-qcxp-gm7m-4j5v · Note
• https://twitter.com/VulmonFeeds/status/2068101227418681394 · Twitter Post
• https://twitter.com/CVEnew/status/2068087573377847413 · Twitter Post