Auth bypass in Quarkus

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 th…

EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-4853?
CVE-2023-4853 is a high-severity vulnerability in Quarkus, classified under CWE-148. CVSS score: 8.1/10. Published 2023-09-20.
How severe is CVE-2023-4853?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2023-4853 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.