CVE-2023-4853

A flaw was found in Quarkus where HTTP security policies are not sanitizing certain character permutations correctly when accepting requests, resulting in incorrect evaluation of permissions. This issue could allow an attacker to bypass the security policy altogether, resulting in unauthorized endpoint access and possibly a denial of service.

Scoring

Severity

HIGH

CVSS base score

8.1

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability

0.35%

CWE

CWE-148

Published

2023-09-20

Last modified

2026-08-04

Affected products

• Red Hat Openshift Serverless 1 on RHEL 8
• Red Hat Red Hat build of Quarkus 2.13.8.SP2
• Red Hat Red Hat OpenShift Serverless 1.30
• Red Hat Red Hat OpenShift Serverless 1.30
• Red Hat Red Hat OpenShift Serverless 1.30
• Red Hat Red Hat OpenShift Serverless 1.30
• Red Hat RHEL-8 based Middleware Containers
• Red Hat RHEL-8 based Middleware Containers

Weakness type

• CWE-148

Related vulnerabilities

• CVE-2026-12862 — XLSX formula injection in exports
• CVE-2024-53856 — rPGP Panics on Malformed Untrusted Input

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