Feed/CVE-2026-67339
CVE-2026-67339MEDIUMCVSS 5.3

CVE-2026-67339

Published Aug 1, 2026·Updated Aug 4, 2026

NVD 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.

Affected Packages (1)

guzzlehttp/guzzleCOMPOSER
Fixed in 7.14.2

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

View on NVD Search GitHub Search Google

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