PT-2026-40987

Published

2026-05-04

·

Updated

2026-05-04

Description by

CVSS 3.1
7.5
High
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.
Exploitability
Fix
Vendors
Affected products
Related identifiers
JLSEC-2026-391
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