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URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39852

⇱ NVD - CVE-2026-39852


  1. Vulnerabilities

CVE-2026-39852 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

Description

Quarkus is a Java framework for building cloud-native applications. In versions prior to 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2, a path normalization inconsistency between the security layer and the routing layer allows unauthenticated or lower-privileged users to bypass HTTP path-based authorization policies. Quarkus's security layer performs authorization checks on the raw URL path which preserves matrix parameters (semicolons), while RESTEasy Reactive's routing layer strips matrix parameters before matching endpoints. An attacker can append a semicolon and arbitrary text to a request URL (e.g., /api/admin;anything) to bypass policies protecting /api/admin while still routing to the protected endpoint. This issue has been fixed in versions 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

CVSS-B 8.8 HIGH
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://access.redhat.com/errata/RHSA-2026:11720 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:11721 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:13631 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:17789 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:25089 redhat-SADP
https://access.redhat.com/security/cve/CVE-2026-39852 redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2457819 redhat-SADP
https://github.com/quarkusio/quarkus/security/advisories/GHSA-rc95-pcm8-65v9 GitHub, Inc. Vendor Advisory 
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39852.json redhat-SADP

Weakness Enumeration

CWE-ID CWE Name Source
CWE-551 Incorrect Behavior Order: Authorization Before Parsing and Canonicalization redhat-SADP  
CWE-863 Incorrect Authorization GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

CVE Modified by redhat-SADP 6/29/2026 11:19:07 PM

Action Type Old Value New Value
Added CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H


Added CWE
CWE-551


Added Reference
https://access.redhat.com/errata/RHSA-2026:11720


Added Reference
https://access.redhat.com/errata/RHSA-2026:11721


Added Reference
https://access.redhat.com/errata/RHSA-2026:13631


Added Reference
https://access.redhat.com/errata/RHSA-2026:17789


Added Reference
https://access.redhat.com/errata/RHSA-2026:25089


Added Reference
https://access.redhat.com/security/cve/CVE-2026-39852


Added Reference
https://bugzilla.redhat.com/show_bug.cgi?id=2457819


Added Reference
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39852.json


Added Affected Record truncated, showing 2048 of 2434 characters.
View Entire Change Record
[{"vendor":"Red Hat","product":"Cryostat 4 on RHEL 9","defaultStatus":"affected","cpes":["cpe:/a:redhat:cryostat:4::el9"]},{"vendor":"Red Hat","product":"HawtIO HawtIO 4.4.0","defaultStatus":"affected","cpes":["cpe:/a:redhat:apache_camel_hawtio:4.4::el9"]},{"vendor":"Red Hat","product":"Red Hat Build of Apache Camel 4.14 for Quarkus 3.27","defaultStatus":"affected","cpes":["cpe:/a:redhat:apache_camel_quarkus:3.27"]},{"vendor":"Red Hat","product":"Red Hat build of Quarkus 3.20.6.SP1","defaultStatus":"affected","cpes":["cpe:/a:redhat:quarkus:3.20::el8"]},{"vendor":"Red Hat","product":"Red Hat build of Quarkus 3.27.3.SP1","defaultStatus":"affected","cpes":["cpe:/a:redhat:quarkus:3.27::el8"]},{"vendor":"Red Hat","product":"OpenShift Serverless","defaultStatus":"affected","cpes":["cpe:/a:redhat:serverless:1"]},{"vendor":"Red Hat","product":"Red Hat build of Apache Camel 4 for Quarkus 3","defaultStatus":"affected","cpes":["cpe:/a:redhat:camel_quarkus:3"]},{"vendor":"Red Hat","product":"Red Hat build of Apicurio Registry 2","defaultStatus":"affected","cpes":["cpe:/a:redhat:service_registry:2"]},{"vendor":"Red Hat","product":"Red Hat build of Apicurio Registry 3","defaultStatus":"affected","cpes":["cpe:/a:redhat:apicurio_registry:3"]},{"vendor":"Red Hat","product":"Red Hat build of Debezium 3","defaultStatus":"affected","cpes":["cpe:/a:redhat:debezium:3"]},{"vendor":"Red Hat","product":"Red Hat build of OptaPlanner 8","defaultStatus":"affected","cpes":["cpe:/a:redhat:optaplanner:::el6"]},{"vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","defaultStatus":"affected","cpes":["cpe:/a:redhat:openshift_ai"]},{"vendor":"Red Hat","product":"Red Hat Process Automation 7","defaultStatus":"affected","cpes":["cpe:/a:redhat:jboss_enterprise_bpms_platform:7"]},{"vendor":"Red Hat","product":"streams for Apache Kafka 2","defaultStatus":"affected","cpes":["cpe:/a:redhat:amq_streams:2"]},{"vendor":"Red Hat","product":"streams for Apache Kafka 3","defaultStatus":"affected","cpes":["cpe:/a:redhat:amq_streams:3"]},{"vendor":"Red Ha

CVE Modified by CISA-ADP 6/17/2026 6:42:42 AM

Action Type Old Value New Value
Added SSVC
{"timestamp":"2026-05-06T12:53:24.440906Z","id":"CVE-2026-39852","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}


CVE Modified by GitHub, Inc. 6/17/2026 6:42:42 AM

Action Type Old Value New Value
Added Affected
[{"vendor":"quarkusio","product":"quarkus","versions":[{"version":"< 3.20.6.1","status":"affected"},{"version":">= 3.27.3.0, < 3.27.3.1","status":"affected"},{"version":">= 3.34.0, < 3.34.7","status":"affected"},{"version":">= 3.35.0, < 3.35.2","status":"affected"}]}]


Initial Analysis by NIST 5/08/2026 1:18:38 PM

Action Type Old Value New Value
Added CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N


Added CPE Configuration
OR
 *cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:* versions up to (excluding) 3.20.6.1
 *cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:* versions from (including) 3.21.0 up to (excluding) 3.27.3.1
 *cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:* versions from (including) 3.28.0 up to (excluding) 3.33.1.1
 *cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:* versions from (including) 3.34.0 up to (excluding) 3.34.7
 *cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:* versions from (including) 3.35.0 up to (excluding) 3.35.2


Added Reference Type
GitHub, Inc.: https://github.com/quarkusio/quarkus/security/advisories/GHSA-rc95-pcm8-65v9 Types: Vendor Advisory


New CVE Received from GitHub, Inc. 5/05/2026 5:16:22 PM

Action Type Old Value New Value
Added Description
Quarkus is a Java framework for building cloud-native applications. In versions prior to 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2, a path normalization inconsistency between the security layer and the routing layer allows unauthenticated or lower-privileged users to bypass HTTP path-based authorization policies. Quarkus's security layer performs authorization checks on the raw URL path which preserves matrix parameters (semicolons), while RESTEasy Reactive's routing layer strips matrix parameters before matching endpoints. An attacker can append a semicolon and arbitrary text to a request URL (e.g., /api/admin;anything) to bypass policies protecting /api/admin while still routing to the protected endpoint. This issue has been fixed in versions 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2.


Added CVSS V4.0
AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X


Added CWE
CWE-863


Added Reference
https://github.com/quarkusio/quarkus/security/advisories/GHSA-rc95-pcm8-65v9


Quick Info

CVE Dictionary Entry:
CVE-2026-39852
NVD Published Date:
05/05/2026
NVD Last Modified:
06/29/2026
Source:
GitHub, Inc.