{"items":[{"id":"NVI-00013967","kind":"vulnerability","title":"Tina: Cross-origin `POST /media/upload/*` requests can write arbitrary files into the Tina dev server media root","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-rgr9-r7mj-mf6x","CVE-2026-63123"],"plain_summary":"GitHub lists this reviewed advisory for @tinacms/cli. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0ab13d30c37c019cf7a7579c5b83abe4"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-21T18:31:30.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-29c144497fa3976aab9a4fbdb96781ad"},{"kind":"CVSS","as_of":"2026-10-26T10:10:00.140Z","value":"6.5 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-01edb1ce4fcafbf531e8ec4351e64f86"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.264%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.18389. Missing scores are unknown.","source_id":"sr-0ab13d30c37c019cf7a7579c5b83abe4"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-29c144497fa3976aab9a4fbdb96781ad","url":"https://github.com/advisories/GHSA-rgr9-r7mj-mf6x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rgr9-r7mj-mf6x","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"},{"id":"sr-01edb1ce4fcafbf531e8ec4351e64f86","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63123","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-63123","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T15:07:15.902Z"},{"id":"sr-0ab13d30c37c019cf7a7579c5b83abe4","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-63123","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.076Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-29c144497fa3976aab9a4fbdb96781ad"],"technology":"@tinacms/cli","known_exclusions":[],"conditions_summary":"### Summary\nA browser-based cross-origin request flaw in the Tina dev server allows an attacker-controlled website to cause arbitrary file creation inside the configured media upload directory on a developer machine running `tinacms dev`. No manual file upload is required. The attacker page builds the multipart request in JavaScript and sends it directly to the local Tina server. The browser blocks access to the response because of CORS, but the server still processes the request and writes the file.\n\n### Details\nThe issue is in the dev server path of `@tinacms/cli`.\n\nThe Vite dev server installs CORS middleware:\n\n```ts\n// packages/@tinacms/cli/src/next/vite/plugins.ts\nserver.middlewares.use(\n  cors({\n    origin: corsOriginCheck,\n    methods: ['GET', 'HEAD', 'PUT', 'PATCH', 'POST', 'DELETE'],\n  })\n);\n```\n\nFor disallowed origins, the origin callback only returns `false` to the CORS library:\n\n```ts\n// packages/@tinacms/cli/src/next/vite/cors.ts\nreturn (origin, callback) => {\n  ...\n  callback(null, false);\n};\n```\n\nThat does not reject the request server-side. The same request is still routed into the upload handler:\n\n```ts\n// packages/@tinacms/cli/src/next/vite/plugins.ts\nif (req.url.","public_affected_ranges":["< 2.5.2"]}],"null_published_at":"2026-11-08T19:53:44.015Z","source_updated_at":"2026-08-21T18:31:30.000Z","source_disclosed_at":"2026-08-19T21:56:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T09:56:46.713Z"},{"id":"NVI-00013967","kind":"vulnerability","title":"Tina: Cross-origin `POST /media/upload/*` requests can write arbitrary files into the Tina dev server media root","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rgr9-r7mj-mf6x","CVE-2026-63123"],"plain_summary":"GitHub lists this reviewed advisory for @tinacms/cli. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0ab13d30c37c019cf7a7579c5b83abe4"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-21T18:31:30.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-29c144497fa3976aab9a4fbdb96781ad"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.264%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.18389. Missing scores are unknown.","source_id":"sr-0ab13d30c37c019cf7a7579c5b83abe4"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-29c144497fa3976aab9a4fbdb96781ad","url":"https://github.com/advisories/GHSA-rgr9-r7mj-mf6x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rgr9-r7mj-mf6x","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"},{"id":"sr-0ab13d30c37c019cf7a7579c5b83abe4","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-63123","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.076Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-29c144497fa3976aab9a4fbdb96781ad"],"technology":"@tinacms/cli","known_exclusions":[],"conditions_summary":"### Summary\nA browser-based cross-origin request flaw in the Tina dev server allows an attacker-controlled website to cause arbitrary file creation inside the configured media upload directory on a developer machine running `tinacms dev`. No manual file upload is required. The attacker page builds the multipart request in JavaScript and sends it directly to the local Tina server. The browser blocks access to the response because of CORS, but the server still processes the request and writes the file.\n\n### Details\nThe issue is in the dev server path of `@tinacms/cli`.\n\nThe Vite dev server installs CORS middleware:\n\n```ts\n// packages/@tinacms/cli/src/next/vite/plugins.ts\nserver.middlewares.use(\n  cors({\n    origin: corsOriginCheck,\n    methods: ['GET', 'HEAD', 'PUT', 'PATCH', 'POST', 'DELETE'],\n  })\n);\n```\n\nFor disallowed origins, the origin callback only returns `false` to the CORS library:\n\n```ts\n// packages/@tinacms/cli/src/next/vite/cors.ts\nreturn (origin, callback) => {\n  ...\n  callback(null, false);\n};\n```\n\nThat does not reject the request server-side. The same request is still routed into the upload handler:\n\n```ts\n// packages/@tinacms/cli/src/next/vite/plugins.ts\nif (req.url.","public_affected_ranges":["< 2.5.2"]}],"null_published_at":"2026-11-04T10:04:41.580Z","source_updated_at":"2026-08-21T18:31:30.000Z","source_disclosed_at":"2026-08-19T21:56:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-02T09:56:46.713Z"},{"id":"NVI-00013967","kind":"vulnerability","title":"Tina: Cross-origin `POST /media/upload/*` requests can write arbitrary files into the Tina dev server media root","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rgr9-r7mj-mf6x","CVE-2026-63123"],"plain_summary":"GitHub lists this reviewed advisory for @tinacms/cli. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-29c144497fa3976aab9a4fbdb96781ad"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-21T18:31:30.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-29c144497fa3976aab9a4fbdb96781ad"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-29c144497fa3976aab9a4fbdb96781ad","url":"https://github.com/advisories/GHSA-rgr9-r7mj-mf6x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rgr9-r7mj-mf6x","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-29c144497fa3976aab9a4fbdb96781ad"],"technology":"@tinacms/cli","known_exclusions":[],"conditions_summary":"### Summary\nA browser-based cross-origin request flaw in the Tina dev server allows an attacker-controlled website to cause arbitrary file creation inside the configured media upload directory on a developer machine running `tinacms dev`. No manual file upload is required. The attacker page builds the multipart request in JavaScript and sends it directly to the local Tina server. The browser blocks access to the response because of CORS, but the server still processes the request and writes the file.\n\n### Details\nThe issue is in the dev server path of `@tinacms/cli`.\n\nThe Vite dev server installs CORS middleware:\n\n```ts\n// packages/@tinacms/cli/src/next/vite/plugins.ts\nserver.middlewares.use(\n  cors({\n    origin: corsOriginCheck,\n    methods: ['GET', 'HEAD', 'PUT', 'PATCH', 'POST', 'DELETE'],\n  })\n);\n```\n\nFor disallowed origins, the origin callback only returns `false` to the CORS library:\n\n```ts\n// packages/@tinacms/cli/src/next/vite/cors.ts\nreturn (origin, callback) => {\n  ...\n  callback(null, false);\n};\n```\n\nThat does not reject the request server-side. The same request is still routed into the upload handler:\n\n```ts\n// packages/@tinacms/cli/src/next/vite/plugins.ts\nif (req.url.","public_affected_ranges":["< 2.5.2"]}],"null_published_at":"2026-11-02T10:00:37.193Z","source_updated_at":"2026-08-21T18:31:30.000Z","source_disclosed_at":"2026-08-19T21:56:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-02T09:56:46.713Z"}],"next_cursor":null,"snapshot_revision":"42594"}