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CVE-2026-93432— Io.quarkus.qute:quarkus-core: cross-site scripting (xss) and json injection via qute {#eval} section in quarkus

Quick assessment

Affected
Red Hat Exploit Intelligence
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

A flaw was found in the Quarkus Qute template engine. When the {#eval} section helper processes a sub-template, it fails to pass the parent template's content type information. This bypasses standard escaping mechanisms, allowing untrusted data to be output as

CVSS 6.1 · Medium

Affected Version Matrix 10

VendorProduct Version RangeStatus
Red Hat Exploit Intelligence any affected
Red Hat Red Hat build of Apache Camel 4 for Quarkus 3 any affected
any affected
Red Hat Red Hat build of Apicurio Registry 3 any affected
Red Hat Red Hat Build of Keycloak any affected
any affected
Red Hat Red Hat build of Quarkus any affected
any affected
Red Hat Red Hat Fuse 7 any affected
any affected
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I. Basic Information for CVE-2026-93432

Vulnerability Information

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Vulnerability Title
Io.quarkus.qute:quarkus-core: cross-site scripting (xss) and json injection via qute {#eval} section in quarkus
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the Quarkus Qute template engine. When the {#eval} section helper processes a sub-template, it fails to pass the parent template's content type information. This bypasses standard escaping mechanisms, allowing untrusted data to be output as raw, unescaped text. This vulnerability can lead to Cross-Site Scripting (XSS) and JSON Injection, potentially allowing a remote attacker to execute arbitrary code in a user's browser or manipulate data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Exploit Intelligence - cpe:/a:redhat:exploit_intelligence:0
Red Hat Red Hat build of Apache Camel 4 for Quarkus 3 - cpe:/a:redhat:camel_quarkus:3
Red Hat Red Hat build of Apache Camel 4 for Quarkus 3 - cpe:/a:redhat:camel_quarkus:3
Red Hat Red Hat build of Apicurio Registry 3 - cpe:/a:redhat:apicurio_registry:3
Red Hat Red Hat Build of Keycloak - cpe:/a:redhat:build_keycloak:
Red Hat Red Hat Build of Keycloak - cpe:/a:redhat:build_keycloak:
Red Hat Red Hat build of Quarkus - cpe:/a:redhat:quarkus:3
Red Hat Red Hat build of Quarkus - cpe:/a:redhat:quarkus:3
Red Hat Red Hat Fuse 7 - cpe:/a:redhat:jboss_fuse:7
Red Hat Red Hat Fuse 7 - cpe:/a:redhat:jboss_fuse:7

II. Public POCs for CVE-2026-93432

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III. Intelligence Information for CVE-2026-93432

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Vendor Advisories for CVE-2026-93432 (1)

Other References for CVE-2026-93432 (1)

Same Patch Batch · Red Hat · 2026-09-18 · 42 CVEs total

CVE-2026-93569 8.2 HIGH Io.netty/netty-codec-http2: http/1 absolute-form host mismatch is translated to http/2 :au
CVE-2026-91149 7.5 HIGH Cockpit: cockpit: denial of service via unbounded connection thread spawning
CVE-2026-93565 7.5 HIGH Io.netty/netty-codec-http: netty rtspdecoder method-token smuggling via trailing control b
CVE-2026-93564 7.5 HIGH Io.netty/netty-codec-haproxy: netty: haproxy proxy-v2 nested-tlv grandchild bytebuf refere
CVE-2026-93567 7.5 HIGH Io.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/
CVE-2026-93558 7.5 HIGH Io.netty/netty-codec-http: netty: unbounded per-connection queue growth in websocketserver
CVE-2026-93576 7.5 HIGH Io.netty/netty-codec-smtp: netty netty-codec-smtp — smtp command-name field is not crlf-va
CVE-2026-93568 7.5 HIGH Io.netty/netty-codec-http2: io.netty/netty-codec-http3: netty: http/2 and http/3 extended
CVE-2026-93560 7.5 HIGH Io.netty/netty-codec-stomp: netty: stomp codec content-length long-to-int truncation cause
CVE-2026-93491 7.5 HIGH Io.netty/netty-codec-http: netty: denial of service via unbounded httpservercodec http/1.1
CVE-2026-93488 7.5 HIGH Io.netty/netty-codec-http: netty: denial of service via unbounded concurrent spdy streams
CVE-2026-93563 7.5 HIGH Io.netty/netty-codec-smtp: netty: unbounded multi-line response accumulation in smtprespon
CVE-2026-93572 7.5 HIGH Io.netty/netty-codec-redis: netty: redisarrayaggregator nested resp headers multiply patch
CVE-2026-93575 7.5 HIGH Io.netty/netty-codec-mqtt: netty: resource exhaustion in mqttdecoder
CVE-2026-87743 7.5 HIGH Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus htt
CVE-2026-93494 7.5 HIGH Io.netty/netty-codec-stomp: netty: bytebuf leak in stompsubframedecoder when a frame body
CVE-2026-89059 7.5 HIGH Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos)
CVE-2026-89058 7.4 HIGH Resteasy-core: resteasy: corsfilter reflects arbitrary origin with credentials under wildc
CVE-2026-81627 6.7 MEDIUM Qemu-kvm: vapic writable rom alias can escape the option-rom window and expose locked smra
CVE-2026-93566 6.5 MEDIUM Io.netty/netty-codec-http: netty: http request smuggling due to control characters in the

Showing top 20 of 42 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Exploit Intelligence
Same vendor: Red Hat
Same weakness: CWE-79

V. Comments for CVE-2026-93432

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