CVE-2026-12894: Improper Neutralization of Special Elements Used in a Template Engine in Red Hat Red Hat build of Apache Camel 4 for Quarkus 3
A flaw was found in the Qute template engine, which is used by Quarkus to generate dynamic content like HTML pages or emails. The issue exists in the component responsible for looking up data values (ReflectionValueResolver), which fails to properly block access to sensitive Java internal functions when processing certain data types like Enums. An attacker who can provide or influence the template text can exploit this bypass to take control of the server by executing unauthorized commands.
CVE-2026-12894: Improper Neutralization of Special Elements Used in a Template Engine in Red Hat Red Hat build of Apache Camel 4 for Quarkus 3
Description
A flaw was found in the Qute template engine, which is used by Quarkus to generate dynamic content like HTML pages or emails. The issue exists in the component responsible for looking up data values (ReflectionValueResolver), which fails to properly block access to sensitive Java internal functions when processing certain data types like Enums. An attacker who can provide or influence the template text can exploit this bypass to take control of the server by executing unauthorized commands.
CVSS v3.1
Score 8.8high
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-06-22T12:14:04.768Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-12894","vendor":"Red Hat"}]
Threat ID: 6a957597acd9273b4917975a
Added to database: 08/31/2026, 12:37:43 UTC
Last updated: 08/31/2026, 13:52:07 UTC
Views: 5
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