CVE-2026-87862
Severity not reportedData quality: awaiting analysis.
NVD has not completed analysis, so CVSS and affected-product data may be missing or change.
Importing a `includeSubDomains` parent HSTS entry before a longer-lived child entry, silently drops the child.
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
—
Awaiting analysis by NVD
Timeline (UTC)
Published: 2026-10-20 21:17
Modified: 2026-10-22 17:21
NVD status: Awaiting Analysis
Last synced 2 days ago
Verified against the source API 2026-10-27 07:04 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://curl.se/docs/CVE-2026-87862.html 2499f714-1537-4658-8207-48ae4bb9eae9
- https://curl.se/docs/CVE-2026-87862.json 2499f714-1537-4658-8207-48ae4bb9eae9
- https://hackerone.com/reports/3972357 2499f714-1537-4658-8207-48ae4bb9eae9
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:04 UTC · record ↗