{"api_version":"1","generated_at":"2026-10-08T07:22:59+00:00","cve":"CVE-2026-107229","urls":{"html":"https://cve.report/CVE-2026-107229","api":"https://cve.report/api/cve/CVE-2026-107229.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-107229","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-107229"},"summary":{"title":"AsyncHttpClient: Incomplete origin checks in the default cookie store allow cookie tossing onto public-suffix and IP-address hosts","description":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.16.0 until 3.0.14, ThreadSafeCookieStore incompletely validates cookie Domain attributes. Missing private-section and default public-suffix rules, absent A-label normalization, locale-sensitive lowercasing, public-suffix host-only handling, and numeric or IP host checks allow one origin to store a cookie later sent to another origin. Applications sharing one client across trust domains can therefore receive attacker-injected cookies and may be exposed to session fixation. This issue is fixed in version 3.0.14.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-10-07 21:17:14","updated_at":"2026-10-07 21:17:14"},"problem_types":["CWE-384","CWE-1275","CWE-384 CWE-384: Session Fixation","CWE-1275 CWE-1275: Sensitive Cookie with Improper SameSite Attribute"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","baseScore":4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","data":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://github.com/AsyncHttpClient/async-http-client/commit/7dc5bbc2d0a48aa2a9caf089a626dcfd333168e9","name":"https://github.com/AsyncHttpClient/async-http-client/commit/7dc5bbc2d0a48aa2a9caf089a626dcfd333168e9","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.14","name":"https://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.14","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-qjr7-w8pj-pmv9","name":"https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-qjr7-w8pj-pmv9","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-107229","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107229","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"AsyncHttpClient","product":"async-http-client","version":"affected >= 3.0.11, < 3.0.14","platforms":[]},{"source":"CNA","vendor":"AsyncHttpClient","product":"async-http-client","version":"affected >= 2.16.0, <= 2.16.1","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"async-http-client","vendor":"AsyncHttpClient","versions":[{"status":"affected","version":">= 3.0.11, < 3.0.14"},{"status":"affected","version":">= 2.16.0, <= 2.16.1"}]}],"descriptions":[{"lang":"en","value":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.16.0 until 3.0.14, ThreadSafeCookieStore incompletely validates cookie Domain attributes. Missing private-section and default public-suffix rules, absent A-label normalization, locale-sensitive lowercasing, public-suffix host-only handling, and numeric or IP host checks allow one origin to store a cookie later sent to another origin. Applications sharing one client across trust domains can therefore receive attacker-injected cookies and may be exposed to session fixation. This issue is fixed in version 3.0.14."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-384","description":"CWE-384: Session Fixation","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1275","description":"CWE-1275: Sensitive Cookie with Improper SameSite Attribute","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-07T20:57:36.676Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-qjr7-w8pj-pmv9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-qjr7-w8pj-pmv9"},{"name":"https://github.com/AsyncHttpClient/async-http-client/commit/7dc5bbc2d0a48aa2a9caf089a626dcfd333168e9","tags":["x_refsource_MISC"],"url":"https://github.com/AsyncHttpClient/async-http-client/commit/7dc5bbc2d0a48aa2a9caf089a626dcfd333168e9"},{"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"}],"source":{"advisory":"GHSA-qjr7-w8pj-pmv9","discovery":"UNKNOWN"},"title":"AsyncHttpClient: Incomplete origin checks in the default cookie store allow cookie tossing onto public-suffix and IP-address hosts"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-107229","datePublished":"2026-10-07T20:57:36.676Z","dateReserved":"2026-10-07T14:34:14.817Z","dateUpdated":"2026-10-07T20:57:36.676Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-07 21:17:14","lastModifiedDate":"2026-10-07 21:17:14","problem_types":["CWE-384","CWE-1275","CWE-384 CWE-384: Session Fixation","CWE-1275 CWE-1275: Sensitive Cookie with Improper SameSite Attribute"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","baseScore":4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":1.4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"107229","Ordinal":"1","Title":"AsyncHttpClient: Incomplete origin checks in the default cookie ","CVE":"CVE-2026-107229","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"107229","Ordinal":"1","NoteData":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 2.16.0 until 3.0.14, ThreadSafeCookieStore incompletely validates cookie Domain attributes. Missing private-section and default public-suffix rules, absent A-label normalization, locale-sensitive lowercasing, public-suffix host-only handling, and numeric or IP host checks allow one origin to store a cookie later sent to another origin. Applications sharing one client across trust domains can therefore receive attacker-injected cookies and may be exposed to session fixation. This issue is fixed in version 3.0.14.","Type":"Description","Title":"AsyncHttpClient: Incomplete origin checks in the default cookie "}]}}}