CVE-2026-50559
Quarkus is a Java framework for building cloud-native applications. Prior to versions 3.37.0, 3.36.3, 3.33.2.1, 3.33.3, 3.27.4.1, 3.27.5, and 3.20.6.2, Quarkus HTTP path-based authorization policies can be bypassed using encoded semicolons (%3B) to smuggle matrix parameters past the security layer, and using encoded slashes (%2F) or backslashes (%5C) to access protected static resources. This is a distinct issue from CVE-2026-39852, which addressed only literal semicolon stripping. Versions 3.37.0, 3.36.3, 3.33.2.1, 3.33.3, 3.27.4.1, 3.27.5, and 3.20.6.2 contain a patch.
- CVSS 3.1
- 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS
- 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-25)
- CWEs
- CWE-287, CWE-863, CWE-551
- Published
- Modified
- Record from
- the NVD, synced
Affected
- quarkus:quarkus
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-qcxp-gm7m-4j5v | Maven | io.quarkus:quarkus-vertx-http | <3.20.6.2 | 3.20.6.2 |
| GHSA-qcxp-gm7m-4j5v | Maven | io.quarkus:quarkus-vertx-http | >=3.21.0.CR1 <3.27.4.1 | 3.27.4.1 |
| GHSA-qcxp-gm7m-4j5v | Maven | io.quarkus:quarkus-vertx-http | >=3.28.0.CR1 <3.33.2.1 | 3.33.2.1 |
| GHSA-qcxp-gm7m-4j5v | Maven | io.quarkus:quarkus-vertx-http | >=3.34.0.CR1 <3.36.3 | 3.36.3 |
| GHSA-qcxp-gm7m-4j5v | Maven | io.quarkus:quarkus-vertx-http | >=3.37.0.CR1 <3.37.0 | 3.37.0 |