{"items":[{"id":"NVI-00012102","kind":"vulnerability","title":"kin-openapi: Nil-pointer dereference panic in openapi3filter for OpenAPI 3.1 array schemas missing items","revision":4,"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-p6wj-qrr4-pgh5","CVE-2026-97394"],"plain_summary":"GitHub lists this reviewed advisory for github.com/getkin/kin-openapi. 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-317147e19b5280264693a622071adac1"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-97394","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:29:11.297Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a71155f773c04fd3d6aad3fb476145a4"],"technology":"github.com/getkin/kin-openapi","known_exclusions":[],"conditions_summary":"### Summary\n\nA nil-pointer dereference in `openapi3filter` lets any unauthenticated client crash a request handler with a single HTTP request against an OpenAPI **3.1** operation that declares `type: array` **without** `items`. OpenAPI 3.1 (JSON Schema 2020-12) permits omitting `items`, and `doc.Validate()` accepts such schemas with `Schema.Items == nil`. Request/response decoders then dereference `Items` with no nil check. The panic is **deterministic (100%)** on every request to the affected operation. There is no `recover()` in `openapi3filter`; under handlers without per-request recover the process can exit.\n\n### Details\n\n**Spec-validation asymmetry.** OpenAPI 3.0 rejects array schemas that omit `items` (`openapi3/schema.go` around the `TypeArray` / `newSchemaItemsRequired` branch). 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This report has not examined your application.","related_sources":[{"id":"sr-a71155f773c04fd3d6aad3fb476145a4","url":"https://github.com/advisories/GHSA-p6wj-qrr4-pgh5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p6wj-qrr4-pgh5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:22.124Z"},{"id":"sr-1bc46b9ece3ea72d325c0dadada99605","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97394","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-97394","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:59.040Z"},{"id":"sr-9aae1dfba8287813aec482ae5eb660fa","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-2026-97394","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.090Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a71155f773c04fd3d6aad3fb476145a4"],"technology":"github.com/getkin/kin-openapi","known_exclusions":[],"conditions_summary":"### Summary\n\nA nil-pointer dereference in `openapi3filter` lets any unauthenticated client crash a request handler with a single HTTP request against an OpenAPI **3.1** operation that declares `type: array` **without** `items`. OpenAPI 3.1 (JSON Schema 2020-12) permits omitting `items`, and `doc.Validate()` accepts such schemas with `Schema.Items == nil`. Request/response decoders then dereference `Items` with no nil check. The panic is **deterministic (100%)** on every request to the affected operation. There is no `recover()` in `openapi3filter`; under handlers without per-request recover the process can exit.\n\n### Details\n\n**Spec-validation asymmetry.** OpenAPI 3.0 rejects array schemas that omit `items` (`openapi3/schema.go` around the `TypeArray` / `newSchemaItemsRequired` branch). For OpenAPI 3.1, `T.Validate` enables `jsonSchema2020ValidationEnabled`, so that check is skipped and `Schema.Items` remains nil after a clean `doc.Validate()`.\n\n**Vulnerable decoder.** The primary request-side crash is in [`UrlencodedBodyDecoder`](https://github.com/getkin/kin-openapi/blob/master/openapi3filter/req_resp_decoder","public_affected_ranges":[">= 0.136.0, < 0.143.0"]}],"null_published_at":"2026-11-05T03:53:06.258Z","source_updated_at":"2026-10-15T20:14:55.000Z","source_disclosed_at":"2026-10-15T20:14:54.000Z","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":"2026-10-31T23:14:22.124Z"},{"id":"NVI-00012102","kind":"vulnerability","title":"kin-openapi: Nil-pointer dereference panic in openapi3filter for OpenAPI 3.1 array schemas missing items","revision":2,"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-p6wj-qrr4-pgh5","CVE-2026-97394"],"plain_summary":"GitHub lists this reviewed advisory for github.com/getkin/kin-openapi. 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OpenAPI 3.1 (JSON Schema 2020-12) permits omitting `items`, and `doc.Validate()` accepts such schemas with `Schema.Items == nil`. Request/response decoders then dereference `Items` with no nil check. The panic is **deterministic (100%)** on every request to the affected operation. There is no `recover()` in `openapi3filter`; under handlers without per-request recover the process can exit.\n\n### Details\n\n**Spec-validation asymmetry.** OpenAPI 3.0 rejects array schemas that omit `items` (`openapi3/schema.go` around the `TypeArray` / `newSchemaItemsRequired` branch). For OpenAPI 3.1, `T.Validate` enables `jsonSchema2020ValidationEnabled`, so that check is skipped and `Schema.Items` remains nil after a clean `doc.Validate()`.\n\n**Vulnerable decoder.** The primary request-side crash is in [`UrlencodedBodyDecoder`](https://github.com/getkin/kin-openapi/blob/master/openapi3filter/req_resp_decoder","public_affected_ranges":[">= 0.136.0, < 0.143.0"]}],"null_published_at":"2026-11-04T10:04:35.917Z","source_updated_at":"2026-10-15T20:14:55.000Z","source_disclosed_at":"2026-10-15T20:14:54.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T23:14:22.124Z"},{"id":"NVI-00012102","kind":"vulnerability","title":"kin-openapi: Nil-pointer dereference panic in openapi3filter for OpenAPI 3.1 array schemas missing items","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p6wj-qrr4-pgh5","CVE-2026-97394"],"plain_summary":"GitHub lists this reviewed advisory for github.com/getkin/kin-openapi. 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Request/response decoders then dereference `Items` with no nil check. The panic is **deterministic (100%)** on every request to the affected operation. There is no `recover()` in `openapi3filter`; under handlers without per-request recover the process can exit.\n\n### Details\n\n**Spec-validation asymmetry.** OpenAPI 3.0 rejects array schemas that omit `items` (`openapi3/schema.go` around the `TypeArray` / `newSchemaItemsRequired` branch). For OpenAPI 3.1, `T.Validate` enables `jsonSchema2020ValidationEnabled`, so that check is skipped and `Schema.Items` remains nil after a clean `doc.Validate()`.\n\n**Vulnerable decoder.** The primary request-side crash is in [`UrlencodedBodyDecoder`](https://github.com/getkin/kin-openapi/blob/master/openapi3filter/req_resp_decoder","public_affected_ranges":[">= 0.136.0, < 0.143.0"]}],"null_published_at":"2026-11-01T01:03:56.631Z","source_updated_at":"2026-10-15T20:14:55.000Z","source_disclosed_at":"2026-10-15T20:14:54.000Z","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":"2026-10-31T23:14:22.124Z"}],"next_cursor":null,"snapshot_revision":"42594"}