CVE Vulnerabilities

CVE-2026-87862

Published: Oct 20, 2026 | Modified: Oct 22, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
3.7 LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Ubuntu
LOW

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

Affected Software

NameVendorStart VersionEnd Version
Red Hat Hardened ImagesRedHatcurl-main-8.23.0-0.1.hum1*
CurlUbuntudevel*
CurlUbuntujammy*
CurlUbuntunoble*
CurlUbunturesolute*
CurlUbuntustonking*
CurlUbuntuupstream*

References