{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-87862", "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "state": "PUBLISHED", "assignerShortName": "curl", "dateReserved": "2026-09-09T13:17:36.482Z", "datePublished": "2026-10-20T20:10:37.039Z", "dateUpdated": "2026-10-20T20:10:37.039Z" }, "containers": { "cna": { "title": "HSTS cache import drops longer-lived child", "descriptions": [ { "lang": "en", "value": "Importing a `includeSubDomains` parent HSTS entry before a longer-lived child\nentry, silently drops the child. Consequently, when the parent expires, the\nchild's valid HSTS policy is lost, causing curl to issue unencrypted HTTP\nrequests rather than upgrading to HTTPS." } ], "providerMetadata": { "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9", "shortName": "curl", "dateUpdated": "2026-10-20T20:10:37.039Z" }, "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-201 Information Exposure Through Sent Data" } ] } ], "affected": [ { "vendor": "curl", "product": "curl", "versions": [ { "version": "8.22.0", "status": "affected", "lessThanOrEqual": "8.22.0", "versionType": "semver" }, { "version": "8.21.0", "status": "affected", "lessThanOrEqual": "8.21.0", "versionType": "semver" }, { "version": "8.20.0", "status": "affected", "lessThanOrEqual": "8.20.0", "versionType": "semver" }, { "version": "8.19.0", "status": "affected", "lessThanOrEqual": "8.19.0", "versionType": "semver" }, { "version": "8.18.0", "status": "affected", "lessThanOrEqual": "8.18.0", "versionType": "semver" }, { "version": "8.17.0", "status": "affected", "lessThanOrEqual": "8.17.0", "versionType": "semver" }, { "version": "8.16.0", "status": "affected", "lessThanOrEqual": "8.16.0", "versionType": "semver" }, { "version": "8.15.0", "status": "affected", "lessThanOrEqual": "8.15.0", "versionType": "semver" }, { "version": "8.14.1", "status": "affected", "lessThanOrEqual": "8.14.1", "versionType": "semver" }, { "version": "8.14.0", "status": "affected", "lessThanOrEqual": "8.14.0", "versionType": "semver" }, { "version": "8.13.0", "status": "affected", "lessThanOrEqual": "8.13.0", "versionType": "semver" }, { "version": "8.12.1", "status": "affected", "lessThanOrEqual": "8.12.1", "versionType": "semver" }, { "version": "8.12.0", "status": "affected", "lessThanOrEqual": "8.12.0", "versionType": "semver" }, { "version": "8.11.1", "status": "affected", "lessThanOrEqual": "8.11.1", "versionType": "semver" }, { "version": "8.11.0", "status": "affected", "lessThanOrEqual": "8.11.0", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "references": [ { "url": "https://curl.se/docs/CVE-2026-87862.json", "name": "json" }, { "url": "https://curl.se/docs/CVE-2026-87862.html", "name": "www" }, { "url": "https://hackerone.com/reports/3972357", "name": "issue" } ], "credits": [ { "lang": "en", "value": "Stanislav Fort (Aisle Research)", "type": "finder" }, { "lang": "en", "value": "Daniel Stenberg", "type": "remediation developer" } ] } } }