Project Summary
command line tool and library
for transferring data with URLs
Supports...
DICT, FILE, FTP, FTPS, Gopher, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, Telnet and TFTP. curl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, HTTP/2, HTTP/3, cookies, user+password authentication (Basic, Plain, Digest, CRAM-MD5, NTLM, Negotiate and Kerberos), file transfer resume, proxy tunneling and more.
Badges
In a Nutshell, cURL...
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has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
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took an estimated 106 years of effort (COCOMO model)
starting with its first commit in December, 1989
ending with its most recent commit about 21 hours ago
MIT License
Permitted
Commercial Use
Modify
Distribute
Sub-License
Private Use
Forbidden
Hold Liable
Required
Include Copyright
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
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learn about Open Hub updates and features on the Open Hub blog
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use of OSS increased in 65% of companies in 2016
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30 Day SummaryNov 25 2025 — Dec 25 2025
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12 Month SummaryDec 25 2024 — Dec 25 2025
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Static Analysis ( Generated by Coverity Scan for curl )
Repository URL: https://github.com/curl/curl
Version: rc-8_18_0-2-106-ged966832b6
- 2025-12-25
- Last Analyzed
- 208,359
- Lines of Code Analyze
- 0.0
- Defect Density
Defects by status for current build
- 328
- Total defects
- 0
- Outstanding
- 226
- Fixed
CWE Top 25 defects
No top 25 CWE defects were found.