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CVE-2026-86412

server-set cookie erases cookie jar PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
curl / curlaffected 8.22.0 through 8.22.0; affected 8.21.0 through 8.21.0; affected 8.20.0 through 8.20.0; affected 8.19.0 through 8.19.0; affected 8.18.0 through 8.18.0

CWE

No CWE identifiers supplied.

References