{"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":"2026-10-30T11:57:49.186Z"},"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"}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-201","lang":"en","description":"CWE-201 Insertion of Sensitive Information Into Sent Data"}]}],"references":[{"url":"https://hackerone.com/reports/3972357","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.1,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T11:57:38.044240Z","id":"CVE-2026-87862","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-30T11:57:49.186Z"}}]}}