{"id":"GHSA-hcf7-66rw-9f5r","revision":null,"records":[{"revision":"25c4576fdb2a429e980a4f647ff5084e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-45773","aliases":[],"title":"Turborepo: Login callback CSRF/session fixation","description":"Turborepo is a high-performance build system for JavaScript and TypeScript codebases. Prior to 2.9.14, Turborepo's self-hosted login and SSO browser flows did not validate a CSRF state value on the localhost callback. While the CLI was waiting for authentication, a malicious web page could send a request to the local callback server with an attacker-controlled token. If accepted before the legitimate callback, the CLI could complete login with the wrong credentials. This affects users authenticating the turbo CLI against self-hosted remote cache/auth endpoints. Vercel-hosted login flows using device authorization are not affected. This vulnerability is fixed in 2.9.14.","state":0,"publishedAt":"2026-05-15T15:51:38.066+00:00","modifiedAt":"2026-05-15T16:45:06.076+00:00","affected":[{"ecosystem":"Vendor product","name":"turborepo","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"vercel\",\n                    \"product\": \"turborepo\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2.9.14\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N","score":5.1,"severity":"MEDIUM"}],"references":["https://github.com/vercel/turborepo/security/advisories/GHSA-hcf7-66rw-9f5r"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-45773","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-45773","identifiers":["CVE-2026-45773"]},"retained":false,"historicalAffected":[]},{"revision":"72c0ff5ddcf5441584906b20b30c2164","observedAt":"2026-10-28T06:13:03.366+00:00","statement":{"source":"euvd","id":"EUVD-2026-30553","aliases":["CVE-2026-45773","GHSA-hcf7-66rw-9f5r"],"title":"Turborepo is a high-performance build system for JavaScript and TypeScript codebases. 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This vulnerability is fixed in 2.9.14.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N","score":5.1,"severity":null}],"references":["https://github.com/vercel/turborepo/security/advisories/GHSA-hcf7-66rw-9f5r"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-30553","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"May 15, 2026, 3:51:38 PM","dateUpdated":"May 15, 2026, 4:45:06 PM"},"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. 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While the CLI was waiting for authentication, a malicious web page could send a request to the local callback server with an attacker-controlled token. If accepted before the legitimate callback, the CLI could complete login with the wrong credentials. This affects users authenticating the turbo CLI against self-hosted remote cache/auth endpoints. Vercel-hosted login flows using device authorization are not affected. 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Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-45773","identifiers":["CVE-2026-45773"]},"retained":false,"historicalAffected":[]},{"revision":"12167c17df7f4b3e8c549a2cc64f25d3","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-hcf7-66rw-9f5r","aliases":["CVE-2026-45773"],"title":"Turbo: Login callback CSRF/session fixation","description":"### Impact\n\nTurborepo's self-hosted login and SSO browser flows did not validate a CSRF state value on the localhost callback. While the CLI was waiting for authentication, a malicious web page could send a request to the local callback server with an attacker-controlled token. If accepted before the legitimate callback, the CLI could complete login with the wrong credentials.\n\nThis affects users authenticating the `turbo` CLI against self-hosted remote cache/auth endpoints. Vercel-hosted login flows using device authorization are not affected.\n\n### Fix\n\nThe login and SSO redirect flows now generate a random state value, include it in the browser authentication URL, and require the same value on the localhost callback before accepting a token. Callbacks with a missing or mismatched state are rejected.\n\n### Workarounds\n\nIf you cannot upgrade immediately, avoid browser-based self-hosted `turbo login` or SSO flows on machines that may load untrusted web content during authentication. 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