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CVE Watch14 oct 2026

CVE-2021-22876

curl 7.1.1 to and including 7.75.0 is vulnerable to an "Exposure of Private Personal Information to an Unauthorized Actor" by leaking creden

CVSS

5.3

Medio

EPSS

5.3%

p93

KEV

—

Exploit Today

28

0-100

Publicado: 1 abr 2021 · Última mod.: 14 oct 2026 · CWE-359 · CWE-200

EPSS · 30d
5.3%EPSS · 30 días5.3%
2026-10-152026-11-11
Descripción técnica

curl 7.1.1 to and including 7.75.0 is vulnerable to an "Exposure of Private Personal Information to an Unauthorized Actor" by leaking credentials in the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests, and therefore risks leaking sensitive data to the server that is the target of the second HTTP request.

Referencias oficiales
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