CVE-2026-33752
HighCVSS 8.6Exploitation Probability (EPSS)
Low risk40th percentile - higher than 40% of all known CVEs
Summary
curl_cffi to binding Pythona dla curl. W wersjach przed 0.15.0, curl_cffi nie ograniczał żądań do wewnętrznych zakresów IP i automatycznie podążał za przekierowaniami za pomocą libcurl, co umożliwiało atakującym przekierowywanie żądań do wewnętrznych usług.
Risk Assessment
Atakujący może wykorzystać tę podatność do uzyskania dostępu do wrażliwych usług wewnętrznych, co może prowadzić do wycieku danych lub naruszenia bezpieczeństwa systemu. Dodatkowo, funkcja podszywania się pod TLS może sprawić, że te żądania będą wyglądały na legalny ruch przeglądarki, co może omijać niektóre kontrole sieciowe.
Recommendation
Zaleca się aktualizację curl_cffi do wersji 0.15.0 lub nowszej, aby usunąć tę podatność. Dodatkowo, warto wprowadzić dodatkowe kontrole bezpieczeństwa w celu ograniczenia dostępu do wewnętrznych usług.
Related vulnerabilities
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

