{"id":"CVE-2025-55183","aliases":["CLSA-2026-1787663916","CLSA-2026-1792195753","CLSA-2026-1792196880","CLSA-2026-1792206307","CLSA-2026-1792272248","CLSA-2026-1792293003","CLSA-2026-1792304743","CLSA-2026-1792326306","CLSA-2026-1792338239","CLSA-2026-1792358600","CLSA-2026-1792364007","EUVD-2025-202879","GHSA-925w-6v3x-g4j4"],"status":"published","title":"Source Code Exposure Vulnerability in React Server Components","description":"An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.64233,"percentile":0.99237,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-497","CWE-502"],"published":"2025-12-11T20:04:48Z","modified":"2026-10-26T13:21:31Z","exploits":[{"source":"pocgithub","id":"Saturate/CVE-2025-55183","title":"Saturate/CVE-2025-55183","date":"2025-12-11","url":"https://github.com/Saturate/CVE-2025-55183"},{"source":"pocgithub","id":"StealthMoud/react-server-cve-lab","title":"StealthMoud/react-server-cve-lab","date":"2025-12-12","url":"https://github.com/StealthMoud/react-server-cve-lab"},{"source":"pocgithub","id":"X-Cotang/CVE-2025-55183_POC","title":"X-Cotang/CVE-2025-55183_POC","date":"2025-12-12","url":"https://github.com/X-Cotang/CVE-2025-55183_POC"},{"source":"pocgithub","id":"kimtruth/CVE-2025-55183-poc","title":"kimtruth/CVE-2025-55183-poc","date":"2025-12-12","url":"https://github.com/kimtruth/CVE-2025-55183-poc"},{"source":"pocgithub","id":"omaidnebari/RSC-Scanner-POC","title":"omaidnebari/RSC-Scanner-POC","date":"2025-12-12","url":"https://github.com/omaidnebari/RSC-Scanner-POC"},{"source":"pocgithub","id":"williavs/nextjs-security-update","title":"williavs/nextjs-security-update","date":"2025-12-12","url":"https://github.com/williavs/nextjs-security-update"}],"fixes":[{"ecosystem":"npm","package":"react-server-dom-parcel","fixed_in":["19.0.2","19.1.3","19.2.2"],"sources":["ghsa","osv"]},{"ecosystem":"npm","package":"react-server-dom-turbopack","fixed_in":["19.0.2","19.1.3","19.2.2"],"sources":["ghsa","osv"]},{"ecosystem":"npm","package":"react-server-dom-webpack","fixed_in":["19.0.2","19.1.3","19.2.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"react-server-dom-parcel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"19.0.0"},{"fixed":"19.0.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"react-server-dom-turbopack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"19.0.0"},{"fixed":"19.0.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"react-server-dom-webpack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"19.0.0"},{"fixed":"19.0.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"react-server-dom-parcel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"19.1.0"},{"fixed":"19.1.3"}]}]},{"source":"ghsa","ecosystem":"npm","package":"react-server-dom-parcel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"19.2.0"},{"fixed":"19.2.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"react-server-dom-turbopack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"19.1.0"},{"fixed":"19.1.3"}]}]},{"source":"ghsa","ecosystem":"npm","package":"react-server-dom-turbopack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"19.2.0"},{"fixed":"19.2.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"react-server-dom-webpack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"19.1.0"},{"fixed":"19.1.3"}]}]},{"source":"ghsa","ecosystem":"npm","package":"react-server-dom-webpack","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"19.2.0"},{"fixed":"19.2.2"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"create-next-app","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"@next/eslint-plugin-next","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"@next/bundle-analyzer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"@next/plugin-storybook","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"@next/polyfill-module","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"@next/polyfill-nomodule","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"@next/react-refresh-utils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"@next/third-parties","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"@next/codemod","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"@next/mdx","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.5.11-tuxcare.0"},{"fixed":"13.5.11-tuxcare.16"}]}],"versions":["13.5.11","13.5.11-tuxcare.13","13.5.11-tuxcare.14"],"bundled":2},{"source":"osv","ecosystem":"npm","package":"react-server-dom-parcel","ranges":[{"type":"SEMVER","events":[{"introduced":"19.0.0"},{"fixed":"19.0.2"}]}]},{"source":"osv","ecosystem":"npm","package":"react-server-dom-turbopack","ranges":[{"type":"SEMVER","events":[{"introduced":"19.0.0"},{"fixed":"19.0.2"}]}]},{"source":"osv","ecosystem":"npm","package":"react-server-dom-webpack","ranges":[{"type":"SEMVER","events":[{"introduced":"19.0.0"},{"fixed":"19.0.2"}]}]},{"source":"osv","ecosystem":"npm","package":"react-server-dom-parcel","ranges":[{"type":"SEMVER","events":[{"introduced":"19.1.0"},{"fixed":"19.1.3"}]}]},{"source":"osv","ecosystem":"npm","package":"react-server-dom-parcel","ranges":[{"type":"SEMVER","events":[{"introduced":"19.2.0"},{"fixed":"19.2.2"}]}]},{"source":"osv","ecosystem":"npm","package":"react-server-dom-turbopack","ranges":[{"type":"SEMVER","events":[{"introduced":"19.1.0"},{"fixed":"19.1.3"}]}]},{"source":"osv","ecosystem":"npm","package":"react-server-dom-turbopack","ranges":[{"type":"SEMVER","events":[{"introduced":"19.2.0"},{"fixed":"19.2.2"}]}]},{"source":"osv","ecosystem":"npm","package":"react-server-dom-webpack","ranges":[{"type":"SEMVER","events":[{"introduced":"19.1.0"},{"fixed":"19.1.3"}]}]},{"source":"osv","ecosystem":"npm","package":"react-server-dom-webpack","ranges":[{"type":"SEMVER","events":[{"introduced":"19.2.0"},{"fixed":"19.2.2"}]}]}],"products":[{"vendor":"facebook","product":"react"},{"vendor":"meta","product":"react-server-dom-parcel"},{"vendor":"meta","product":"react-server-dom-turbopack"},{"vendor":"meta","product":"react-server-dom-webpack"},{"vendor":"vercel","product":"next.js"}],"references":[{"url":"https://www.facebook.com/security/advisories/cve-2025-55183","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","evidence","web"]},{"url":"https://github.com/facebook/react/security/advisories/GHSA-925w-6v3x-g4j4","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55183","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-925w-6v3x-g4j4"},{"url":"https://github.com/facebook/react","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-55183","description":"An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.","status":"published","published":"2025-12-11T20:04:48.655Z","modified":"2026-01-07T16:26:47.826Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:52.839698Z"}],"euvd":[{"id":"EUVD-2025-202879","description":"An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.","status":"published","published":"2025-12-11T20:04:48Z","modified":"2026-01-07T16:26:47Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:48:55.108559Z"}],"ghsa":[{"id":"GHSA-925w-6v3x-g4j4","title":"Source Code Exposure Vulnerability in React Server Components","description":"## Impact\n\nThere is a source code exposure vulnerability in React Server Components.\n\nReact recommends updating immediately.\n\nThe vulnerability exists in versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1 of:\n\n- [react-server-dom-webpack](https://www.npmjs.com/package/react-server-dom-webpack)\n- [react-server-dom-parcel](https://www.npmjs.com/package/react-server-dom-parcel)\n- [react-server-dom-turbopack](https://www.npmjs.com/package/react-server-dom-turbopack?activeTab=readme)\n\nThese issues are present in the patches published last week.\n\n## Patches\n\nFixes were back ported to versions 19.0.2, 19.1.3, and 19.2.2. \n\nIf you are using any of the above packages please upgrade to any of the fixed versions immediately.\n\nIf your app’s React code does not use a server, your app is not affected by this vulnerability. If your app does not use a framework, bundler, or bundler plugin that supports React Server Components, your app is not affected by this vulnerability.\n\n## References\n\nSee the [blog post](https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components) for more information and upgrade instructions.","status":"published","published":"2025-12-11T22:36:08Z","modified":"2025-12-11T22:36:10Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-497","CWE-502"],"updated_at":"2026-11-02T14:39:13.204325Z"}],"nvd":[{"id":"CVE-2025-55183","description":"An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.","status":"published","published":"2025-12-11T20:16:00.46Z","modified":"2026-10-07T20:10:01.97Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:11:49.861863Z"}],"osv":[{"id":"CVE-2025-55183","description":"An information leak vulnerability exists in specific configurations of React Server Components versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1, including the following packages: react-server-dom-parcel, react-server-dom-turbopack, and react-server-dom-webpack. A specifically crafted HTTP request sent to a vulnerable Server Function may unsafely return the source code of any Server Function. Exploitation requires the existence of a Server Function which explicitly or implicitly exposes a stringified argument.","status":"published","published":"2025-12-11T20:16:00.46Z","modified":"2026-10-24T10:30:44.169751118Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:50.863921Z"},{"id":"GHSA-925w-6v3x-g4j4","title":"Source Code Exposure Vulnerability in React Server Components","description":"## Impact\n\nThere is a source code exposure vulnerability in React Server Components.\n\nReact recommends updating immediately.\n\nThe vulnerability exists in versions 19.0.0, 19.0.1 19.1.0, 19.1.1, 19.1.2, 19.2.0 and 19.2.1 of:\n\n- [react-server-dom-webpack](https://www.npmjs.com/package/react-server-dom-webpack)\n- [react-server-dom-parcel](https://www.npmjs.com/package/react-server-dom-parcel)\n- [react-server-dom-turbopack](https://www.npmjs.com/package/react-server-dom-turbopack?activeTab=readme)\n\nThese issues are present in the patches published last week.\n\n## Patches\n\nFixes were back ported to versions 19.0.2, 19.1.3, and 19.2.2. \n\nIf you are using any of the above packages please upgrade to any of the fixed versions immediately.\n\nIf your app’s React code does not use a server, your app is not affected by this vulnerability. If your app does not use a framework, bundler, or bundler plugin that supports React Server Components, your app is not affected by this vulnerability.\n\n## References\n\nSee the [blog post](https://react.dev/blog/2025/12/11/denial-of-service-and-source-code-exposure-in-react-server-components) for more information and upgrade instructions.","status":"published","published":"2025-12-11T22:36:08Z","modified":"2025-12-11T22:56:16.798408Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-497","CWE-502"],"updated_at":"2026-11-02T15:46:43.123867Z"},{"id":"CLSA-2026-1787663916","title":"TuxCare security update for 13 packages (2 CVEs)","description":"TuxCare rebuilt 13 packages to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"withdrawn","published":"2026-08-25T13:18:36Z","modified":"2026-10-26T13:21:31Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"CLSA-2026-1792195753","title":"TuxCare security update for create-next-app (2 CVEs)","description":"TuxCare rebuilt create-next-app to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-17T00:09:09Z","modified":"2026-10-17T01:30:09.136815777Z","updated_at":"2026-11-02T15:43:51.747192Z"},{"id":"CLSA-2026-1792196880","title":"TuxCare security update for @next/eslint-plugin-next (2 CVEs)","description":"TuxCare rebuilt @next/eslint-plugin-next to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-17T00:27:57Z","modified":"2026-10-17T01:30:13.018636331Z","updated_at":"2026-11-02T15:43:51.747192Z"},{"id":"CLSA-2026-1792206307","title":"TuxCare security update for @next/bundle-analyzer (2 CVEs)","description":"TuxCare rebuilt @next/bundle-analyzer to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-17T03:05:03Z","modified":"2026-10-17T07:00:40.487545518Z","updated_at":"2026-11-02T15:43:51.747192Z"},{"id":"CLSA-2026-1792272248","title":"TuxCare security update for @next/plugin-storybook (2 CVEs)","description":"TuxCare rebuilt @next/plugin-storybook to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-17T21:24:04Z","modified":"2026-10-18T01:30:41.062546019Z","updated_at":"2026-11-02T15:43:52.288832Z"},{"id":"CLSA-2026-1792293003","title":"TuxCare security update for @next/polyfill-module (2 CVEs)","description":"TuxCare rebuilt @next/polyfill-module to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-18T03:09:59Z","modified":"2026-10-18T07:15:10.798319982Z","updated_at":"2026-11-02T15:43:52.288832Z"},{"id":"CLSA-2026-1792304743","title":"TuxCare security update for @next/polyfill-nomodule (2 CVEs)","description":"TuxCare rebuilt @next/polyfill-nomodule to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-18T06:25:39Z","modified":"2026-10-18T07:15:08.894061943Z","updated_at":"2026-11-02T15:43:52.545698Z"},{"id":"CLSA-2026-1792326306","title":"TuxCare security update for @next/react-refresh-utils (2 CVEs)","description":"TuxCare rebuilt @next/react-refresh-utils to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-18T12:25:02Z","modified":"2026-10-18T13:16:00.060387682Z","updated_at":"2026-11-02T15:43:52.545698Z"},{"id":"CLSA-2026-1792338239","title":"TuxCare security update for @next/third-parties (2 CVEs)","description":"TuxCare rebuilt @next/third-parties to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-18T15:43:57Z","modified":"2026-10-18T19:15:40.659340593Z","updated_at":"2026-11-02T15:43:52.545698Z"},{"id":"CLSA-2026-1792358600","title":"TuxCare security update for @next/codemod (2 CVEs)","description":"TuxCare rebuilt @next/codemod to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-18T21:23:16Z","modified":"2026-10-19T07:46:01.183291686Z","updated_at":"2026-11-02T15:43:53.071325Z"},{"id":"CLSA-2026-1792364007","title":"TuxCare security update for @next/mdx (2 CVEs)","description":"TuxCare rebuilt @next/mdx to address 2 CVEs. Fixed in 13.5.11-tuxcare.16.","status":"published","published":"2026-10-18T22:53:23Z","modified":"2026-10-19T07:46:07.296606888Z","updated_at":"2026-11-02T15:43:53.071325Z"}]}}