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CVE-2023-4853

high

A flaw was found in Quarkus where HTTP security policies are not sanitizing certain character permutations correctly when accepting requests, resulting in inco…

Vendor / product: Quarkus — quarkus

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.

CVSS
8.1
8.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-09-20 10:15
Modified: 2026-11-04 21:17
NVD status: Modified
Last synced 3 hours ago
Verified against the source API 2026-11-04 21:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

quarkus / quarkus <2.16.11, ≥3.2.0 <3.2.6, ≥3.3.0 <3.3.3
redhat / build_of_optaplanner 8.0
redhat / build_of_quarkus ≥2.13.0 <2.13.8
redhat / decision_manager 7.0
redhat / integration_camel_k <1.10.2
redhat / integration_camel_quarkus all versions
redhat / integration_service_registry all versions
redhat / jboss_middleware 1
redhat / jboss_middleware_text-only_advisories 1.0
redhat / openshift_serverless all versions, 1.0
redhat / process_automation_manager 7.0
redhat / openshift_container_platform 4.10, 4.11, 4.12

Weakness classification (CWE)

CWE-148 CWE-863

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://access.redhat.com/errata/RHSA-2023:5170
Vendor advisory: https://access.redhat.com/errata/RHSA-2023:5310
Vendor advisory: https://access.redhat.com/errata/RHSA-2023:5337
Vendor advisory: https://access.redhat.com/errata/RHSA-2023:5446
Vendor advisory: https://access.redhat.com/errata/RHSA-2023:5479
Vendor advisory: https://access.redhat.com/errata/RHSA-2023:5480
Vendor advisory: https://access.redhat.com/errata/RHSA-2023:6107
Vendor advisory: https://access.redhat.com/errata/RHSA-2023:6112
Vendor advisory: https://access.redhat.com/errata/RHSA-2023:7653
Vendor advisory: https://access.redhat.com/security/cve/CVE-2023-4853
Patch / mitigation: https://access.redhat.com/security/cve/CVE-2023-4853
Patch / mitigation: https://access.redhat.com/security/vulnerabilities/RHSB-2023-002
Patch / mitigation: https://access.redhat.com/security/cve/CVE-2023-4853
Patch / mitigation: https://access.redhat.com/security/vulnerabilities/RHSB-2023-002

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-04 21:37 UTC · record ↗

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Understanding CVEs and CVSS Scores

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