CVE-2026-86412 — server-set cookie erases cookie jar
A remote HTTP server can set a cookie that curl accepts and writes to a Netscape cookie jar but cannot reload. On the next invocation using the same path for `--cookie` and `--c…
Published: 2026-10-20 · CVSS: Unscored
A remote HTTP server can set a cookie that curl accepts and writes to a Netscape cookie jar but cannot reload. On the next invocation using the same path for `--cookie` and `--cookie-jar`, curl fails before connecting, then the cleanup procedure replaces the jar with an empty file, deleting cookies for unrelated domains.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7