{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107226", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-07T14:34:14.816Z", "datePublished": "2026-10-12T18:34:18.996Z", "dateUpdated": "2026-10-12T18:34:18.996Z"}, "containers": {"cna": {"title": "AsyncHttpClient: Cookies received over plaintext HTTP can plant, overwrite or delete Secure cookies set over HTTPS", "problemTypes": [{"descriptions": [{"cweId": "CWE-384", "lang": "en", "description": "CWE-384: Session Fixation", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-693", "lang": "en", "description": "CWE-693: Protection Mechanism Failure", "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/AsyncHttpClient/async-http-client/security/advisories/GHSA-p2jm-6hj6-9rjg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-p2jm-6hj6-9rjg"}, {"name": "https://github.com/AsyncHttpClient/async-http-client/commit/6ec7ee45034d154f502852a962d2891746fb82c1", "tags": ["x_refsource_MISC"], "url": "https://github.com/AsyncHttpClient/async-http-client/commit/6ec7ee45034d154f502852a962d2891746fb82c1"}, {"name": "https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.14", "tags": ["x_refsource_MISC"], "url": "https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.14"}], "affected": [{"vendor": "AsyncHttpClient", "product": "async-http-client", "versions": [{"version": ">= 2.1.0, <= 2.16.1", "status": "affected"}, {"version": ">= 3.0.0, < 3.0.14", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-12T18:34:18.996Z"}, "descriptions": [{"lang": "en", "value": "The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 3.0.14, the default ThreadSafeCookieStore does not retain whether a Set-Cookie response used a secure transport. It accepts Secure cookies received over plaintext and permits insecure cookies to overlay or delete existing Secure cookies with matching scope. An attacker controlling a plaintext same-site response can consequently plant, replace, or remove cookie state later sent to an HTTPS origin, enabling session fixation, CSRF-token replacement, or loss of security-relevant state. This issue is fixed in version 3.0.14."}], "source": {"advisory": "GHSA-p2jm-6hj6-9rjg", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "async-http-client", "vendor": "AsyncHttpClient", "versions": [{"status": "affected", "version": ">= 2.1.0, <= 2.16.1"}, {"status": "affected", "version": ">= 3.0.0, < 3.0.14"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.1.0 until 3.0.14, the default ThreadSafeCookieStore does not retain whether a Set-Cookie response used a secure transport. It accepts Secure cookies received over plaintext and permits insecure cookies to overlay or delete existing Secure cookies with matching scope. An attacker controlling a plaintext same-site response can consequently plant, replace, or remove cookie state later sent to an HTTPS origin, enabling session fixation, CSRF-token replacement, or loss of security-relevant state. This issue is fixed in version 3.0.14."}], "id": "CVE-2026-107226", "lastModified": "2026-10-12T19:16:37.880", "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": "2026-10-12T19:16:37.880", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/AsyncHttpClient/async-http-client/commit/6ec7ee45034d154f502852a962d2891746fb82c1"}, {"source": "security-advisories@github.com", "url": "https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.14"}, {"source": "security-advisories@github.com", "url": "https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-p2jm-6hj6-9rjg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-384"}, {"lang": "en", "value": "CWE-693"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}