{"id":"CVE-2026-77360","summary":"oRPC: Vary Header Injection in CORS Plugin leading to potential Cache/CORS Bypass","details":"oRPC is an tool that helps build APIs that are end-to-end type-safe and adhere to OpenAPI standards. Prior to 1.14.8, the @orpc/server CORS plugin in packages/server/src/plugins/cors.ts copies a client's incoming Vary request header into the response instead of controlling Vary as a response-only header and using Origin for request-origin variation. In deployments behind a shared cache, CDN, or reverse proxy that keys responses using Vary, a client can inject arbitrary variation values, pollute cache keys, and cause inconsistent CORS enforcement for other clients. Default non-cached configurations have no established direct confidentiality, integrity, or availability impact. This issue is fixed in version 1.14.8.","aliases":["GHSA-j9v4-rhgr-4m5f"],"modified":"2026-09-18T03:48:31.253522344Z","published":"2026-09-16T18:42:45.816Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-113"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77360.json"},"references":[{"type":"WEB","url":"https://github.com/middleapi/orpc/releases/tag/v1.14.8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77360.json"},{"type":"ADVISORY","url":"https://github.com/middleapi/orpc/security/advisories/GHSA-j9v4-rhgr-4m5f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77360"},{"type":"REPORT","url":"https://github.com/middleapi/orpc/issues/1661"},{"type":"FIX","url":"https://github.com/middleapi/orpc/commit/daabded122a89d323357c4c401e879701864cb2f"},{"type":"FIX","url":"https://github.com/middleapi/orpc/pull/1662"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/middleapi/orpc","events":[{"introduced":"0"},{"fixed":"daabded122a89d323357c4c401e879701864cb2f"},{"fixed":"1c8767f41a8a7f428eb15ab9b25668f3a9dced48"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.14.8"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v1.14.7","v1.14.6","v1.14.5","v1.14.4","v1.14.3","v1.14.2","v1.14.1","v1.14.0","v1.13.14","v1.13.13","v1.13.12","v1.13.11","v1.13.10","v1.13.9","v1.13.8","v1.13.7","v1.13.6","v1.13.5","v1.13.4","v1.13.2","v1.13.1","v1.13.0","v1.12.3","v1.12.2","v1.12.1","v1.12.0","v1.11.3","v1.11.2","v1.11.1","v1.11.0","v1.10.4","v1.10.3","v1.10.2","v1.10.1","v1.10.0","v1.9.4","v1.9.3","v1.9.2","v1.9.1","v1.9.0","v1.8.9","v1.8.8","v1.8.7","v1.8.6","v1.8.5","v1.8.4","v1.8.3","v1.8.2","v1.8.1","v1.8.0","v1.7.11","v1.7.10","v1.7.9","v1.7.8","v1.7.7","v1.7.6","v1.7.5","v1.7.4","v1.7.3","v1.7.2","v1.7.1","v1.7.0","v1.6.6","v1.6.5","v1.6.4","v1.6.3","v1.6.2","v1.6.1","v1.6.0","v1.5.2","v1.5.1","v1.5.0","v1.4.5","v1.4.4","v1.4.3","v1.4.2","v1.4.1","v1.4.0","v1.3.0","v1.2.0","v1.1.1","v1.1.0","v1.0.3","v1.0.0-beta.7","v0.54.0","v1.0.0-beta.6","v0.53.0","v1.0.0-beta.5","v0.52.0","v1.0.0-beta.4","v0.51.0","v1.0.0-beta.3","v0.50.0","v1.0.0-beta.2","v0.49.0","v0.48.0","v1.0.0-beta.1","v0.47.0","v0.46.0","v0.45.1","v0.45.0","v0.44.0","v0.43.0","v0.42.0","v0.41.2","v0.41.1","v0.41.0","v0.40.0","v0.39.0","v0.38.0","v0.37.0","v0.36.1","v0.36.0","v0.35.1","v0.35.0","v0.34.0","v0.33.0","v0.32.0","v0.31.0","v0.30.0","v0.29.0","v0.28.0","v0.27.0","v0.26.0","v0.25.0","v0.24.0","v0.23.0","v0.22.0","v0.21.0","v0.20.0","v0.19.0","v0.18.0","v0.17.0","v0.16.0","v0.15.0","v0.14.0","v0.13.0","v0.12.0","v0.11.0","v0.10.0","v0.10.0-beta.1","v0.9.0","v0.9.0-beta.1","v0.8.0","v0.8.0-beta.1","v0.8.0-alpha.2","v0.8.0-alpha.1","v0.7.0","v0.6.0","@orpc/server@0.4.0","@orpc/openapi@0.0.11","@orpc/zod@0.0.2","@orpc/transformer@0.0.6","@orpc/shared@0.1.1","@orpc/server@0.3.1","@orpc/react@0.0.7","@orpc/openapi@0.0.10","@orpc/contract@0.1.3","@orpc/client@0.0.6","@orpc/transformer@0.0.5","@orpc/shared@0.1.0","@orpc/server@0.3.0","@orpc/react@0.0.6","@orpc/openapi@0.0.9","@orpc/contract@0.1.2","@orpc/client@0.0.5","@orpc/server@0.2.1","@orpc/react@0.0.5","@orpc/openapi@0.0.8","@orpc/contract@0.1.1","@orpc/client@0.0.4","@orpc/server@0.2.0","@orpc/react@2.0.0","@orpc/openapi@0.0.7","@orpc/contract@0.1.0","@orpc/client@2.0.0","@orpc/server@0.1.2","@orpc/react@1.0.2","@orpc/openapi@0.0.6","@orpc/client@1.0.2","@orpc/zod@0.0.1","@orpc/transformer@0.0.4","@orpc/shared@0.0.5","@orpc/server@0.1.0","@orpc/react@1.0.0","@orpc/openapi@0.0.4","@orpc/contract@0.0.4","@orpc/client@1.0.0","@orpc/react@0.0.4","@orpc/transformer@0.0.3","@orpc/shared@0.0.4","@orpc/server@0.0.3","@orpc/react@0.0.3","@orpc/openapi@0.0.3","@orpc/contract@0.0.3","@orpc/client@0.0.3","@orpc/transformer@0.0.2","@orpc/shared@0.0.3","@orpc/server@0.0.2","@orpc/react@0.0.2","@orpc/openapi@0.0.2","@orpc/contract@0.0.2","@orpc/client@0.0.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-77360.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}]}