ZDF
Sign inSign up

Vulnerabilities

Vulnerability · 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 ev…

Published Sep 20, 2023 · catalog updated Nov 4, 2026 · the affected product

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-4853. EPSS is 2.28%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.28%
Remediation
Version ranges on file
Affected products
cpe quarkus/quarkus · cpe redhat/build of optaplanner · cpe redhat/build of quarkus · cpe redhat/decision manager · cpe redhat/integration camel k · cpe redhat/jboss middleware text-only advisories

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe quarkus/quarkus< 2.16.11
  • cpe quarkus/quarkus< 3.2.6
  • cpe quarkus/quarkus< 3.3.3
  • cpe redhat/build of optaplanner8.0
  • cpe redhat/build of quarkus< 2.13.8
  • cpe redhat/decision manager7.0
  • cpe redhat/integration camel k< 1.10.2
  • cpe redhat/jboss middleware text-only advisories1.0

How to fix CVE-2023-4853

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-4853. EPSS is 2.28%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Compare what you have installed with redhat/build of optaplanner 8.0; redhat/build of quarkus < 2.13.8; redhat/decision manager 7.0; redhat/integration camel k < 1.10.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-148; CWE-863: Incorrect Authorization. EPSS 2.28%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 20, 2023 · NIST NVD

    Detected

    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.

  2. Nov 4, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2023-4853

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-4853

    30-day exploitation probability 2.28%

    first.org
  • NIST NVDVulnerability recordCVE-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 i

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 5, 2026
  • NIST NVDNov 5, 2026