{"id":"CVE-2023-0957","aliases":["EUVD-2023-12942","GHSA-f53g-frr2-jhpf"],"status":"published","title":"An issue was discovered in Gitpod versions prior to release-2022.11.2.16. There is a Cross-Site...","description":"An issue was discovered in Gitpod versions prior to release-2022.11.2.16. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to the Gitpod JSONRPC server using a victim’s credentials, because the Origin header is not restricted. This can lead to the extraction of data from workspaces, to a full takeover of the workspace.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00416,"percentile":0.36382,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1385","CWE-346"],"published":"2023-03-03T07:00:41Z","modified":"2026-10-28T02:30:39Z","products":[{"vendor":"gitpod","product":"gitpod"},{"vendor":"gitpod-io","product":"gitpod"}],"references":[{"url":"https://app.safebase.io/portal/71ccd717-aa2d-4a1e-942e-c768d37e9e0c/preview?product=default\u0026orgId=71ccd717-aa2d-4a1e-942e-c768d37e9e0c\u0026tcuUid=1d505bda-9a38-4ca5-8724-052e6337f34d","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://github.com/gitpod-io/gitpod/releases/tag/release-2022.11.2","tags":["x_transferred","Release Notes","web"]},{"url":"https://github.com/gitpod-io/gitpod/pull/16378","tags":["x_transferred","Issue Tracking","Patch","fix"]},{"url":"https://github.com/gitpod-io/gitpod/pull/16405","tags":["x_transferred","Issue Tracking","Patch","fix"]},{"url":"https://github.com/gitpod-io/gitpod/commit/12956988eec0031f42ffdfa3bdc3359f65628f9f","tags":["x_transferred","Patch","fix"]},{"url":"https://github.com/gitpod-io/gitpod/commit/673ab6856fa04c13b7b1f2a968e4d090f1d94e4f","tags":["x_transferred","Patch","fix"]},{"url":"https://snyk.io/blog/gitpod-remote-code-execution-vulnerability-websockets/","tags":["x_transferred","Third Party Advisory","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0957","tags":["advisory"]},{"url":"https://snyk.io/blog/gitpod-remote-code-execution-vulnerability-websockets"},{"url":"https://github.com/advisories/GHSA-f53g-frr2-jhpf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0957.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-0957","description":"An issue was discovered in Gitpod versions prior to release-2022.11.2.16. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to the Gitpod JSONRPC server using a victim’s credentials, because the Origin header is not restricted. This can lead to the extraction of data from workspaces, to a full takeover of the workspace.","status":"published","published":"2023-03-03T07:00:41.041Z","modified":"2025-03-05T19:56:51.958Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-1385"],"updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-12942","description":"An issue was discovered in Gitpod versions prior to release-2022.11.2.16. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to the Gitpod JSONRPC server using a victim’s credentials, because the Origin header is not restricted. This can lead to the extraction of data from workspaces, to a full takeover of the workspace.","status":"published","published":"2023-03-03T07:00:41Z","modified":"2025-03-05T19:56:51Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T20:53:11.987115Z"}],"ghsa":[{"id":"GHSA-f53g-frr2-jhpf","title":"An issue was discovered in Gitpod versions prior to release-2022.11.2.16. There is a Cross-Site...","description":"An issue was discovered in Gitpod versions prior to release-2022.11.2.16. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to the Gitpod JSONRPC server using a victim’s credentials, because the Origin header is not restricted. This can lead to the extraction of data from workspaces, to a full takeover of the workspace.","status":"published","published":"2023-07-06T19:24:11Z","modified":"2024-04-04T05:33:53Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-346","CWE-1385"],"updated_at":"2026-11-02T14:56:33.286722Z"}],"nvd":[{"id":"CVE-2023-0957","description":"An issue was discovered in Gitpod versions prior to release-2022.11.2.16. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to the Gitpod JSONRPC server using a victim’s credentials, because the Origin header is not restricted. This can lead to the extraction of data from workspaces, to a full takeover of the workspace.","status":"published","published":"2023-03-03T08:15:08.613Z","modified":"2026-06-17T05:26:44.167Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-1385","CWE-346"],"updated_at":"2026-11-02T14:07:48.342507Z"}],"osv":[{"id":"CVE-2023-0957","description":"An issue was discovered in Gitpod versions prior to release-2022.11.2.16. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to the Gitpod JSONRPC server using a victim’s credentials, because the Origin header is not restricted. This can lead to the extraction of data from workspaces, to a full takeover of the workspace.","status":"published","published":"2023-03-03T07:00:41.041Z","modified":"2026-10-28T02:30:39.042745362Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-1385"],"updated_at":"2026-11-02T15:44:29.487253Z"}]}}