{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-69214", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-03T16:57:50.125Z", "datePublished": "2026-09-15T19:04:05.469Z", "dateUpdated": "2026-09-15T19:04:05.469Z"}, "containers": {"cna": {"title": "Http4s: CookieJar middleware accepts arbitrary Set-Cookie domain", "problemTypes": [{"descriptions": [{"cweId": "CWE-384", "lang": "en", "description": "CWE-384: Session Fixation", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-565", "lang": "en", "description": "CWE-565: Reliance on Cookies without Validation and Integrity Checking", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/http4s/http4s/security/advisories/GHSA-wv64-j4fq-5f9x", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/http4s/http4s/security/advisories/GHSA-wv64-j4fq-5f9x"}, {"name": "https://github.com/http4s/http4s/commit/87535f7288f3baaf6736e2735087e473762b5b2f", "tags": ["x_refsource_MISC"], "url": "https://github.com/http4s/http4s/commit/87535f7288f3baaf6736e2735087e473762b5b2f"}, {"name": "https://github.com/http4s/http4s/releases/tag/v0.23.35", "tags": ["x_refsource_MISC"], "url": "https://github.com/http4s/http4s/releases/tag/v0.23.35"}, {"name": "https://github.com/http4s/http4s/releases/tag/v1.0.0-M47", "tags": ["x_refsource_MISC"], "url": "https://github.com/http4s/http4s/releases/tag/v1.0.0-M47"}], "affected": [{"vendor": "http4s", "product": "http4s", "versions": [{"version": "< 0.23.35", "status": "affected"}, {"version": ">= 1.0.0-M1, < 1.0.0-M47", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-15T19:04:05.469Z"}, "descriptions": [{"lang": "en", "value": "Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, The CookieJar client middleware stores a response cookie\u2019s Domain attribute without checking that it domain-matches the host that supplied the cookie or rejecting public suffixes. A malicious or compromised server contacted through the same CookieJar can plant a cookie for another domain, and the jar later sends that cookie to the victim domain, enabling session fixation or overwriting security-sensitive cookies. The patch validates the Set-Cookie domain against the response origin, although public-suffix rejection remains unimplemented. This issue is fixed in versions 0.23.35 and 1.0.0-M47."}], "source": {"advisory": "GHSA-wv64-j4fq-5f9x", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "http4s", "vendor": "http4s", "versions": [{"status": "affected", "version": "< 0.23.35"}, {"status": "affected", "version": ">= 1.0.0-M1, < 1.0.0-M47"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, The CookieJar client middleware stores a response cookie\u2019s Domain attribute without checking that it domain-matches the host that supplied the cookie or rejecting public suffixes. A malicious or compromised server contacted through the same CookieJar can plant a cookie for another domain, and the jar later sends that cookie to the victim domain, enabling session fixation or overwriting security-sensitive cookies. The patch validates the Set-Cookie domain against the response origin, although public-suffix rejection remains unimplemented. This issue is fixed in versions 0.23.35 and 1.0.0-M47."}], "id": "CVE-2026-69214", "lastModified": "2026-09-15T19:17:38.453", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-15T19:17:38.453", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/http4s/http4s/commit/87535f7288f3baaf6736e2735087e473762b5b2f"}, {"source": "security-advisories@github.com", "url": "https://github.com/http4s/http4s/releases/tag/v0.23.35"}, {"source": "security-advisories@github.com", "url": "https://github.com/http4s/http4s/releases/tag/v1.0.0-M47"}, {"source": "security-advisories@github.com", "url": "https://github.com/http4s/http4s/security/advisories/GHSA-wv64-j4fq-5f9x"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-384"}, {"lang": "en", "value": "CWE-565"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}