CVE-2023-5720: Quarkus: build env information disclosure via gradle plugin

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-15 · updated 2026-06-17
Weakness: CWE-526

Description

A flaw was found in Quarkus, where it does not properly sanitize artifacts created using the Gradle plugin, allowing certain build system information to remain. This flaw allows an attacker to access potentially sensitive information from the build system within the application.

Affected products

quarkusio quarkus: from 3.0.1 before 3.2.8; 3.0.0-candidate_release1, 3.0.0-candidate_release2 — fixed in 3.2.8

How to fix

Upgrade to a fixed version: quarkusio quarkus 3.2.8. Check the vendor advisory for mitigations.

References

https://access.redhat.com/security/cve/CVE-2023-5720
https://bugzilla.redhat.com/show_bug.cgi?id=2245700
https://access.redhat.com/security/cve/CVE-2023-5720
https://bugzilla.redhat.com/show_bug.cgi?id=2245700

Get alerted when CVE-2023-5720 or the next vulnerability affects your stack