Libcurl — PoC Archivehttps://poc.intelseclab.com/tags/libcurl/Latest proof-of-concept entries.Hugoen-usSun, 05 Jul 2026 00:00:00 +0000curl SMB Connection-Reuse Use-After-Free (CVE-2026-3805)https://poc.intelseclab.com/pocs/network/2026-07-05_cve-2026-3805-curl-smb-use-after-free/Sun, 05 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/network/2026-07-05_cve-2026-3805-curl-smb-use-after-free/High severity — network · CVE-2026-3805. Status: PoC. Affects: curl / libcurl. Tags: curl, libcurl, use-after-free, smb, cwe-416, memory-corruption, asan.networkHighcurllibcurluse-after-freesmbcwe-416memory-corruptionasancurl SMTP EXPN Recipient CRLF Command Injectionhttps://poc.intelseclab.com/pocs/network/2026-07-03_curl-smtp-expn-crlf-injection/Fri, 03 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/network/2026-07-03_curl-smtp-expn-crlf-injection/Medium severity — network · None assigned as of 2026-07-03. Status: PoC. Affects: curl / libcurl (SMTP support). Tags: curl, smtp, crlf-injection, command-injection, expn, vrfy, protocol-injection, libcurl.networkMediumcurlsmtpcrlf-injectioncommand-injectionexpnvrfyprotocol-injectionlibcurllibcurl mTLS Connection Reuse Authentication Bypass (CVE-2026-8932)https://poc.intelseclab.com/pocs/network/2026-06-30_cve-2026-8932-libcurl-mtls-auth-bypass/Tue, 30 Jun 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/network/2026-06-30_cve-2026-8932-libcurl-mtls-auth-bypass/Low severity — network · CVE-2026-8932. Status: PoC. Affects: libcurl (embedded library; standalone curl CLI unaffected). Tags: authentication-bypass, mTLS, TLS, libcurl, connection-reuse, client-certificate, C, Low.networkLowauthentication-bypassmTLSTLSlibcurlconnection-reuseclient-certificateCLow