Cross-site scripting in Quarkus - CVE-2026-93432
Published: September 23, 2026
Vulnerability identifier: #VU151850
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-93432
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute cross-site scripting or manipulate JSON payloads.
The vulnerability exists due to improper output escaping in the Qute {#eval} section helper when rendering user-controlled data in a template. A remote attacker can supply crafted input to execute cross-site scripting or manipulate JSON payloads.
User interaction is required to render malicious HTML content in a victim's browser.
Affected software
Quarkus
How to mitigate CVE-2026-93432
Install security update from vendor's website.
Quarkus - addressed in versions 3.27.6, 3.33.4, 3.39.5