CVE-2026-33752
High · 8.6CVSS
8.6
EPSS
0.4%
Published
Apr 6, 2026
CISA due date
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The record
curl_cffi is the a Python binding for curl. Prior to 0.15.0, curl_cffi does not restrict requests to internal IP ranges, and follows redirects automatically via the underlying libcurl. Because of this, an attacker-controlled URL can redirect requests to internal services such as cloud metadata endpoints. In addition, curl_cffi’s TLS impersonation feature can make these requests appear as legitimate browser traffic, which may bypass certain network controls. This vulnerability is fixed in 0.15.0.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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