CVE-2026-87862
Importing a `includeSubDomains` parent HSTS entry before a longer-lived child entry, silently drops the child. Consequently, when the parent
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Exploit Today
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0-100
Published: Oct 20, 2026 · Last modified: Oct 20, 2026
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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.
No related CVEs by CWE or product.