EUVD-2026-68505
GHSA-w5gv-wrvc-9hx8
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network vector and low complexity are correct; PR:L reflects that influencing template text requires an authenticated application session, not anonymous access.
Primary rating from Vendor (redhat).
CVSS VectorVendor: redhat
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Server-side template injection in the Qute template engine's ReflectionValueResolver allows authenticated remote attackers with the ability to influence template content to bypass Java sandbox restrictions and execute arbitrary OS commands on the server. Affected Red Hat products include Red Hat Build of Quarkus, Red Hat Build of Apache Camel 4 for Quarkus 3, and the JBoss EAP Expansion Pack. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the attacker hold a low-privileged authenticated session (PR:L per CVSS) in a Quarkus application that exposes user-controllable Qute template text - this is the critical non-default precondition. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 score (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately reflects the risk profile: network-reachable exploitation with low attack complexity and only low-privilege authentication required, yielding full confidentiality, integrity, and availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Red Hat security update referenced at https://access.redhat.com/security/cve/CVE-2026-12894 as the primary remediation action; no exact patched version number was confirmed in the input data, so consult the advisory directly for the specific errata package version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify and inventory all Red Hat Build of Quarkus, Red Hat Build of Apache Camel 4 for Quarkus 3, and JBoss EAP Expansion Pack deployments, noting installed versions and network accessibility. …
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