Security Advisory

CVE-2026-67339

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-01 12:22:17

Last updated 2026-08-01 12:22:17

Assigner VulnCheck

CVSS score not scored

State PUBLISHED

Description

guzzlehttp/guzzle versions before 7.14.2 fail to properly isolate Proxy-Authorization headers from origin servers in cURL handlers. Attackers can capture proxy credentials through origin server access logs when requests are redirected, bypassed, or sent through SOCKS proxies that Guzzle misclassifies as direct connections.

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