> curl 8.20.0
[AUTHOR: Daniel Stenberg]
[DATE: 29/04/2026 06:27]
[LANGUAGE: EN]
You always find the new curl releases on the curl site!
Release presentation
At 10:00 CEST (08:00 UTC) I will do my transitional live-streamed video presentation of curl 8.20.0 on my twitch channel.
Numbers
the 274th release8 changes49 days (total: 10,761)282 bugfixes (total: 13,922)521 commits (total: 38,545)0 new public libcurl function (total: 100)0 new curl_easy_setopt() option (total: 308)0 new curl command line option (total: 273)73 contributors, 45 new (total: 3,664)28 authors, 12 new (total: 1,463)8 security fixes (total: 188)
Security
As mentioned elsewhere, the security reporting volume has been intense lately. We publish eight new curl vulnerabilities this time.
CVE-2026-7168: cross-proxy Digest auth state leak
CVE-2026-7009: OCSP stapling bypass with Apple SecTrust
CVE-2026-6429: netrc credential leak with reused proxy connection
CVE-2026-6276: stale custom cookie host causes cookie leak
CVE-2026-6253: proxy credentials leak over redirect-to proxy
CVE-2026-5773: wrong reuse of SMB connection
CVE-2026-5545: wrong reuse of HTTP Negotiate connection
CVE-2026-4873: connection reuse ignores TLS requirement
Changes
now uses a thread pool and queue for resolving
NTLM is disabled by default
dropped support for CMake 3.17 and older
dropped support for < c-ares 1.16.0
SMB is disabled by default
added CURLMNWC_CLEAR_ALL for all network changes
dropped RTMP support
Bugfixes
The official count says over 260 bugfixes were merged in this 49 day cycle. See the changelog for all the details.
Pending Removals
Planned upcoming removals include:
local crypto implementations
NTLM
SMB
TLS-SRP support
If you are concerned about any of these, speak up on the curl-library ASAP.
Next release
Unless we messed up this one and need to do a patch release, the pending next release is scheduled to happen on June 24.