{"id":"CVE-2024-53990","aliases":["CLSA-2026-1791926769","CLSA-2026-1793887823","CLSA-2026-1794351138","DEBIAN-CVE-2024-53990","EUVD-2024-3488","GHSA-mfj5-cf8g-g2fv","UBUNTU-CVE-2024-53990"],"status":"published","title":"AsyncHttpClient (AHC) library's `CookieStore` replaces explicitly defined `Cookie`s","description":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When making any HTTP request, the automatically enabled and self-managed CookieStore (aka cookie jar) will silently replace explicitly defined Cookies with any that have the same name from the cookie jar. For services that operate with multiple users, this can result in one user's Cookie being used for another user's requests.","severity":{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00722,"percentile":0.54475,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2024-12-02T17:10:28Z","modified":"2026-11-11T01:30:02Z","fixes":[{"ecosystem":"Maven","package":"org.asynchttpclient:async-http-client","fixed_in":["2.12.4","3.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.asynchttpclient:async-http-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.12.4"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.asynchttpclient:async-http-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0.Beta1"},{"fixed":"3.0.1"}]}]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-bom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-example","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-extras-guava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-extras-jdeferred","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-extras-parent","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-extras-registry","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-extras-retrofit2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-extras-rxjava","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-extras-rxjava2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-extras-simple","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-extras-typesafe-config","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-netty-utils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-project","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.1"},{"fixed":"2.12.1-tuxcare.1"}]}],"versions":["2.12.1"],"bundled":12},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.3"},{"fixed":"2.12.3-tuxcare.2"}]}],"versions":["2.12.3","2.12.3-tuxcare.1"],"bundled":15},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-bom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.3"},{"fixed":"2.12.3-tuxcare.2"}]}],"versions":["2.12.3","2.12.3-tuxcare.1"],"bundled":15},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.asynchttpclient:async-http-client-example","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.3"},{"fixed":"2.12.3-tuxcare.2"}]}],"versions":["2.12.3","2.1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ge":"async-http-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.3-1","2.12.3-1ubuntu0.24.04.1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"async-http-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.3-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"async-http-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.3-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"async-http-client","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.3-1","2.12.3-1ubuntu1","2.12.3-1ubuntu1.1"]}],"products":[{"vendor":"asynchttpclient","product":"async-http-client"},{"vendor":"asynchttpclient_project","product":"async-http-client"}],"references":[{"url":"https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-mfj5-cf8g-g2fv","tags":["x_refsource_CONFIRM","advisory","web","report"]},{"url":"https://github.com/AsyncHttpClient/async-http-client/issues/1964","tags":["x_refsource_MISC","report","web"]},{"url":"https://github.com/AsyncHttpClient/async-http-client/pull/2033","tags":["x_refsource_MISC","fix","web","report"]},{"url":"https://github.com/AsyncHttpClient/async-http-client/commit/d5a83362f7aed81b93ebca559746ac9be0f95425","tags":["x_refsource_MISC","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53990","tags":["advisory"]},{"url":"https://github.com/AsyncHttpClient/async-http-client/blob/main/CHANGES.md#from-20-to-21","tags":["web"]},{"url":"https://github.com/advisories/GHSA-mfj5-cf8g-g2fv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53990.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-53990","tags":["advisory"]},{"url":"https://github.com/AsyncHttpClient/async-http-client","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2024-53990","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-53990","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-53990","title":"AsyncHttpClient (AHC) library's `CookieStore` replaces explicitly defined `Cookie`s","description":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When making any HTTP request, the automatically enabled and self-managed CookieStore (aka cookie jar) will silently replace explicitly defined Cookies with any that have the same name from the cookie jar. For services that operate with multiple users, this can result in one user's Cookie being used for another user's requests.","status":"published","published":"2024-12-02T17:10:28.229Z","modified":"2024-12-04T17:08:11.472Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:34:17.865042Z"}],"euvd":[{"id":"EUVD-2024-3488","description":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When making any HTTP request, the automatically enabled and self-managed CookieStore (aka cookie jar) will silently replace explicitly defined Cookies with any that have the same name from the cookie jar. For services that operate with multiple users, this can result in one user's Cookie being used for another user's requests.","status":"published","published":"2024-12-02T17:10:28Z","modified":"2024-12-04T17:08:11Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-03T00:04:40.891519Z"}],"ghsa":[{"id":"GHSA-mfj5-cf8g-g2fv","title":"AsyncHttpClient (AHC) library's `CookieStore` replaces explicitly defined `Cookie`s","description":"### Summary\n\nWhen making any HTTP request, the automatically enabled and self-managed `CookieStore` (aka cookie jar) will silently replace explicitly defined `Cookie`s with any that have the same name from the cookie jar. For services that operate with multiple users, this can result in one user's `Cookie` being used for another user's requests.\n\n### Details\n\nThis issue is described without security warnings here:\n\nhttps://github.com/AsyncHttpClient/async-http-client/issues/1964\n\nA PR to fix this issue has been made:\n\nhttps://github.com/AsyncHttpClient/async-http-client/pull/2033\n\n### PoC\n\n1. Add an auth `Cookie` to the `CookieStore`\n    - This is identical to receiving an HTTP response that uses `Set-Cookie`, as shown in issue #1964 above.\n2. Handle a different user's request where the same `Cookie` is provided as a passthrough, like a JWT, and attempt to use it by explicitly providing it.\n3. Observe that the user's cookie in step 2 is passed as the Cookie in step 1.\n\n### Impact\n\nThis is generally going to be a problem for developers of backend services that implement third party auth features and use other features like token refresh. The moment a third party service responds by _setting_ a cookie in the response, the `CookieStore` will effectively break almost every follow-up request (hopefully by being rejected, but possibly by revealing a different user's information).\n\nIf your service sets cookies based on the response that happens here, it's possible to lead to even greater levels of exposure.\n\n### Workaroud\n\nYou can avoid this issue by disabling the `CookieStore` during client creation:\n\n```java\nDefaultAsyncHttpClientConfig.Builder clientBuilder = Dsl.config()\n .setCookieStore(null)\n // other configuration\n ;\n```","status":"published","published":"2024-12-02T20:04:43Z","modified":"2024-12-18T15:56:42Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:38:25.334027Z"}],"nvd":[{"id":"CVE-2024-53990","description":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When making any HTTP request, the automatically enabled and self-managed CookieStore (aka cookie jar) will silently replace explicitly defined Cookies with any that have the same name from the cookie jar. For services that operate with multiple users, this can result in one user's Cookie being used for another user's requests.","status":"published","published":"2024-12-02T18:15:11.753Z","modified":"2026-06-17T08:09:37.657Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:10:38.973941Z"}],"osv":[{"id":"CVE-2024-53990","title":"AsyncHttpClient (AHC) library's `CookieStore` replaces explicitly defined `Cookie`s","description":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When making any HTTP request, the automatically enabled and self-managed CookieStore (aka cookie jar) will silently replace explicitly defined Cookies with any that have the same name from the cookie jar. For services that operate with multiple users, this can result in one user's Cookie being used for another user's requests.","status":"published","published":"2024-12-02T17:10:28.229Z","modified":"2026-10-28T10:51:23.048207364Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:44:44.451316Z"},{"id":"DEBIAN-CVE-2024-53990","description":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When making any HTTP request, the automatically enabled and self-managed CookieStore (aka cookie jar) will silently replace explicitly defined Cookies with any that have the same name from the cookie jar. For services that operate with multiple users, this can result in one user's Cookie being used for another user's requests.","status":"published","published":"2024-12-02T18:15:11.753Z","modified":"2026-11-02T12:02:57.309033356Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"updated_at":"2026-11-02T15:45:44.429177Z"},{"id":"GHSA-mfj5-cf8g-g2fv","title":"AsyncHttpClient (AHC) library's `CookieStore` replaces explicitly defined `Cookie`s","description":"### Summary\n\nWhen making any HTTP request, the automatically enabled and self-managed `CookieStore` (aka cookie jar) will silently replace explicitly defined `Cookie`s with any that have the same name from the cookie jar. For services that operate with multiple users, this can result in one user's `Cookie` being used for another user's requests.\n\n### Details\n\nThis issue is described without security warnings here:\n\nhttps://github.com/AsyncHttpClient/async-http-client/issues/1964\n\nA PR to fix this issue has been made:\n\nhttps://github.com/AsyncHttpClient/async-http-client/pull/2033\n\n### PoC\n\n1. Add an auth `Cookie` to the `CookieStore`\n    - This is identical to receiving an HTTP response that uses `Set-Cookie`, as shown in issue #1964 above.\n2. Handle a different user's request where the same `Cookie` is provided as a passthrough, like a JWT, and attempt to use it by explicitly providing it.\n3. Observe that the user's cookie in step 2 is passed as the Cookie in step 1.\n\n### Impact\n\nThis is generally going to be a problem for developers of backend services that implement third party auth features and use other features like token refresh. The moment a third party service responds by _setting_ a cookie in the response, the `CookieStore` will effectively break almost every follow-up request (hopefully by being rejected, but possibly by revealing a different user's information).\n\nIf your service sets cookies based on the response that happens here, it's possible to lead to even greater levels of exposure.\n\n### Workaroud\n\nYou can avoid this issue by disabling the `CookieStore` during client creation:\n\n```java\nDefaultAsyncHttpClientConfig.Builder clientBuilder = Dsl.config()\n .setCookieStore(null)\n // other configuration\n ;\n```","status":"published","published":"2024-12-02T20:04:43Z","modified":"2026-09-10T03:50:21.642131422Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:51.811331Z"},{"id":"UBUNTU-CVE-2024-53990","description":"The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When making any HTTP request, the automatically enabled and self-managed CookieStore (aka cookie jar) will silently replace explicitly defined Cookies with any that have the same name from the cookie jar. For services that operate with multiple users, this can result in one user's Cookie being used for another user's requests.","status":"published","published":"2024-12-02T18:15:00Z","modified":"2026-10-17T12:56:46.294626098Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T16:55:15.331356Z"},{"id":"CLSA-2026-1791926769","title":"TuxCare security update for org.asynchttpclient (13 CVEs)","description":"TuxCare rebuilt 14 org.asynchttpclient packages to address 13 CVEs. Fixed in 2.12.1-tuxcare.1.","status":"published","published":"2026-10-13T21:26:09Z","modified":"2026-10-15T09:47:45.855594885Z","updated_at":"2026-11-02T15:43:50.599064Z"},{"id":"CLSA-2026-1793887823","title":"TuxCare security update for org.asynchttpclient (16 CVEs)","description":"TuxCare rebuilt 14 org.asynchttpclient packages to address 16 CVEs. Fixed in 2.12.3-tuxcare.2.","status":"published","published":"2026-11-05T15:10:25Z","modified":"2026-11-06T13:15:13.773820413Z","updated_at":"2026-11-06T13:44:09.891978Z"},{"id":"CLSA-2026-1794351138","title":"TuxCare security update for org.asynchttpclient:async-http-client (9 CVEs)","description":"TuxCare rebuilt org.asynchttpclient:async-http-client to address 9 CVEs. Fixed in 2.3.0-tuxcare.1.","status":"published","published":"2026-11-10T23:52:19Z","modified":"2026-11-11T01:30:02.399301115Z","updated_at":"2026-11-11T01:47:54.277886Z"}]}}