Vulnerability in Red Hat Build Of Apache Camel 4 For Quarkus 3

CVE-2026-89058

A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins ("*"), reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. This permissive cross-origin policy allows a malicious website to make credentialed cross-origin requests and read authenticated responses from a victim's session, resulting in a loss of confidentiality.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

Affected products

References

Frequently asked questions

What is CVE-2026-89058?
CVE-2026-89058 is a high-severity vulnerability in Red Hat Build Of Apache Camel 4 For Quarkus 3. CVSS score: 7.4/10. Published 2026-09-18.
How severe is CVE-2026-89058?
High severity. CVSS v3 base score is 7.4 out of 10.