{"cve":"CVE-2023-0957","nvd":{"published":"2023-03-03T08:15:08.613","modified":"2026-06-17T05:26:44.167","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","score":9.6},"cwes":["CWE-346","CWE-1385"],"references":["https://app.safebase.io/portal/71ccd717-aa2d-4a1e-942e-c768d37e9e0c/preview?product=default&orgId=71ccd717-aa2d-4a1e-942e-c768d37e9e0c&tcuUid=1d505bda-9a38-4ca5-8724-052e6337f34d","https://github.com/gitpod-io/gitpod/commit/12956988eec0031f42ffdfa3bdc3359f65628f9f","https://github.com/gitpod-io/gitpod/commit/673ab6856fa04c13b7b1f2a968e4d090f1d94e4f","https://github.com/gitpod-io/gitpod/pull/16378","https://github.com/gitpod-io/gitpod/pull/16405"],"products":["gitpod:gitpod"],"source":"nvd","synced_at":"2026-10-19T21:37:41.955480748+00:00"},"epss":{"cve":"CVE-2023-0957","score":0.00416,"percentile":0.35951,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}