CVE-2026-87862

Discovered by AISLEPUBLISHEDCWE-201

Description

Importing a `includeSubDomains` parent HSTS entry before a longer-lived child entry, silently drops the child. Consequently, when the parent expires, the child's valid HSTS policy is lost, causing curl to issue unencrypted HTTP requests rather than upgrading to HTTPS.

CVSS Base Scores

CVSS v3.1(Primary)
4.8

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Products

VendorProductVersionStatus
curl——

References