cvedb.io
CVE-2026-66339
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2026-07-24T23:16:52.187 · Last modified 2026-07-24T23:16:52.187

Summary

A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials, leading to information disclosure.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.