Information disclosure in VMware Reactor Netty

CVE-2025-22227

In some specific scenarios with chained redirects, Reactor Netty HTTP client leaks credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.

Vulnerability class: Information Disclosure

EPSS: 0.003 (26.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-22227?
CVE-2025-22227 is a medium-severity vulnerability in VMware Reactor Netty, classified under Information Disclosure. CVSS score: 6.1/10. Published 2025-07-16.
How severe is CVE-2025-22227?
Medium severity. CVSS v3 base score is 6.1 out of 10.