CVE-2026-87862

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.

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Produits concernés

• curl

Références

• https://curl.se/docs/CVE-2026-87862.html
• https://curl.se/docs/CVE-2026-87862.json
• https://hackerone.com/reports/3972357

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories