What is CVE-2026-15075?

CVE-2026-15075 is a high-severity vulnerability in Eclipse Vert.x, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-07-14.

How severe is CVE-2026-15075?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Eclipse Vert.x

CVE-2026-15075

In Eclipse Vert.x versions up to and including 4.5.29 (4.x branch) and 5.1.4 (5.x branch), DefaultRedirectHandler (vertx-core) propagates all request headers as-is across cross-origin HTTP 30x redirects. Only Content-Length is stripped; no…

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Eclipse Vert.x
Eclipse Foundation Vert.x — versions 4.0.0, 5.0.0

Weakness classification (CWE)

CWE-200 — Information Disclosure
CWE-346 — Origin Validation Error

References

emo@eclipse.org (Issue Tracking)

Frequently asked questions

What is CVE-2026-15075?: CVE-2026-15075 is a high-severity vulnerability in Eclipse Vert.x, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-07-14.
How severe is CVE-2026-15075?: High severity. CVSS v3 base score is 7.5 out of 10.