CVE-2026-9079haxx curl vulnerability
libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.
Ver en NVDAnálisis
A critical vulnerability in libcurl (curl) fails to properly clear proxy authentication credentials, allowing them to be leaked or reused in subsequent transfers. Given curl's near-universal use in backend and mobile development, this could lead to unauthorized session access or credential exposure across many applications.
Roles relevantes
Severidad
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCWE-522EPSS
Afecta
haxx:curlDescripción técnica
libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.