{"items":[{"id":"NVI-00014986","kind":"vulnerability","title":"Microsoft Kiota: Generation-time SSRF + remote/local file inclusion via unrestricted $ref","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-rg4h-fpcp-2qm8","CVE-2026-59867"],"plain_summary":"GitHub lists this reviewed advisory for Microsoft.OpenApi.Kiota, Microsoft.OpenApi.Kiota.Builder, Microsoft.OpenApi.Kiota, Microsoft.OpenApi.Kiota.Builder. 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-554ca5619c1965dac67f6477003bc9c6"],"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":"2026-08-17T14:56:31.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-00c47645709443ac83d0bdad323cd213"},{"kind":"CVSS","as_of":"2026-10-24T20:10:00.137Z","value":"7.1 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-554ca5619c1965dac67f6477003bc9c6"}],"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-00c47645709443ac83d0bdad323cd213","url":"https://github.com/advisories/GHSA-rg4h-fpcp-2qm8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rg4h-fpcp-2qm8","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:15:44.568Z"},{"id":"sr-554ca5619c1965dac67f6477003bc9c6","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59867","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-59867","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T08:05:01.676Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00c47645709443ac83d0bdad323cd213"],"technology":"Microsoft.OpenApi.Kiota","known_exclusions":[],"conditions_summary":"## Summary\n\nMicrosoft Kiota resolved OpenAPI `$ref`s by fetching remote `http(s)` URLs and reading local files\n(including absolute / out-of-tree paths), inlining the referenced schema into the generated client.\nRunning `kiota generate` on a spec whose `$ref` pointed at an attacker/internal URL or an arbitrary\nlocal file yielded SSRF, remote file inclusion, and local file inclusion. Verified on **1.32.3 / 1.32.4**.\n\n### Details\n\n- `$ref: http://attacker/internal-evil.json#/...` → build host fetches the URL (SSRF) and inlines the\n  remote schema (RFI); confirmed property `REMOTE_KIOTA_PROP` in the generated client.\n- `$ref: /abs/path.json#/...` or `../../secret.json#/...` → Kiota reads the out-of-tree local file and\n  inlines its schema (LFI); confirmed `Leaked` schema in the generated client. Resolution is transitive\n  across nesting levels.\n\nKiota **escapes** its output sinks (comments/strings/identifiers), so attacker-controlled remote/local\ncontent cannot break out into code — no RCE. The chain stops at SSRF + RFI + LFI.\n\n### Impact\n\nBuild-time SSRF (CWE-918) from the developer or CI host, disclosure of arbitrary local files (CWE-22), and\ninclusion of untrusted remote content (CW","public_affected_ranges":[">= 1.30.0, < 1.32.5"]},{"certainty":"source_listed","source_ids":["sr-00c47645709443ac83d0bdad323cd213"],"technology":"Microsoft.OpenApi.Kiota.Builder","known_exclusions":[],"conditions_summary":"## Summary\n\nMicrosoft Kiota resolved OpenAPI `$ref`s by fetching remote `http(s)` URLs and reading local files\n(including absolute / out-of-tree paths), inlining the referenced schema into the generated client.\nRunning `kiota generate` on a spec whose `$ref` pointed at an attacker/internal URL or an arbitrary\nlocal file yielded SSRF, remote file inclusion, and local file inclusion. Verified on **1.32.3 / 1.32.4**.\n\n### Details\n\n- `$ref: http://attacker/internal-evil.json#/...` → build host fetches the URL (SSRF) and inlines the\n  remote schema (RFI); confirmed property `REMOTE_KIOTA_PROP` in the generated client.\n- `$ref: /abs/path.json#/...` or `../../secret.json#/...` → Kiota reads the out-of-tree local file and\n  inlines its schema (LFI); confirmed `Leaked` schema in the generated client. Resolution is transitive\n  across nesting levels.\n\nKiota **escapes** its output sinks (comments/strings/identifiers), so attacker-controlled remote/local\ncontent cannot break out into code — no RCE. The chain stops at SSRF + RFI + LFI.\n\n### Impact\n\nBuild-time SSRF (CWE-918) from the developer or CI host, disclosure of arbitrary local files (CWE-22), and\ninclusion of untrusted remote content (CW","public_affected_ranges":[">= 1.30.0, < 1.32.5"]},{"certainty":"source_listed","source_ids":["sr-00c47645709443ac83d0bdad323cd213"],"technology":"Microsoft.OpenApi.Kiota","known_exclusions":[],"conditions_summary":"## Summary\n\nMicrosoft Kiota resolved OpenAPI `$ref`s by fetching remote `http(s)` URLs and reading local files\n(including absolute / out-of-tree paths), inlining the referenced schema into the generated client.\nRunning `kiota generate` on a spec whose `$ref` pointed at an attacker/internal URL or an arbitrary\nlocal file yielded SSRF, remote file inclusion, and local file inclusion. Verified on **1.32.3 / 1.32.4**.\n\n### Details\n\n- `$ref: http://attacker/internal-evil.json#/...` → build host fetches the URL (SSRF) and inlines the\n  remote schema (RFI); confirmed property `REMOTE_KIOTA_PROP` in the generated client.\n- `$ref: /abs/path.json#/...` or `../../secret.json#/...` → Kiota reads the out-of-tree local file and\n  inlines its schema (LFI); confirmed `Leaked` schema in the generated client. Resolution is transitive\n  across nesting levels.\n\nKiota **escapes** its output sinks (comments/strings/identifiers), so attacker-controlled remote/local\ncontent cannot break out into code — no RCE. The chain stops at SSRF + RFI + LFI.\n\n### Impact\n\nBuild-time SSRF (CWE-918) from the developer or CI host, disclosure of arbitrary local files (CWE-22), and\ninclusion of untrusted remote content (CW","public_affected_ranges":["< 1.29.1"]},{"certainty":"source_listed","source_ids":["sr-00c47645709443ac83d0bdad323cd213"],"technology":"Microsoft.OpenApi.Kiota.Builder","known_exclusions":[],"conditions_summary":"## Summary\n\nMicrosoft Kiota resolved OpenAPI `$ref`s by fetching remote `http(s)` URLs and reading local files\n(including absolute / out-of-tree paths), inlining the referenced schema into the generated client.\nRunning `kiota generate` on a spec whose `$ref` pointed at an attacker/internal URL or an arbitrary\nlocal file yielded SSRF, remote file inclusion, and local file inclusion. Verified on **1.32.3 / 1.32.4**.\n\n### Details\n\n- `$ref: http://attacker/internal-evil.json#/...` → build host fetches the URL (SSRF) and inlines the\n  remote schema (RFI); confirmed property `REMOTE_KIOTA_PROP` in the generated client.\n- `$ref: /abs/path.json#/...` or `../../secret.json#/...` → Kiota reads the out-of-tree local file and\n  inlines its schema (LFI); confirmed `Leaked` schema in the generated client. Resolution is transitive\n  across nesting levels.\n\nKiota **escapes** its output sinks (comments/strings/identifiers), so attacker-controlled remote/local\ncontent cannot break out into code — no RCE. The chain stops at SSRF + RFI + LFI.\n\n### Impact\n\nBuild-time SSRF (CWE-918) from the developer or CI host, disclosure of arbitrary local files (CWE-22), and\ninclusion of untrusted remote content (CW","public_affected_ranges":["< 1.29.1"]}],"null_published_at":"2026-11-08T19:53:44.057Z","source_updated_at":"2026-08-17T14:56:31.000Z","source_disclosed_at":"2026-07-24T16:10:17.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T20:15:44.568Z"},{"id":"NVI-00014986","kind":"vulnerability","title":"Microsoft Kiota: Generation-time SSRF + remote/local file inclusion via unrestricted $ref","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rg4h-fpcp-2qm8","CVE-2026-59867"],"plain_summary":"GitHub lists this reviewed advisory for Microsoft.OpenApi.Kiota, Microsoft.OpenApi.Kiota.Builder, Microsoft.OpenApi.Kiota, Microsoft.OpenApi.Kiota.Builder. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-00c47645709443ac83d0bdad323cd213"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-17T14:56:31.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-00c47645709443ac83d0bdad323cd213"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-00c47645709443ac83d0bdad323cd213","url":"https://github.com/advisories/GHSA-rg4h-fpcp-2qm8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rg4h-fpcp-2qm8","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:15:44.568Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00c47645709443ac83d0bdad323cd213"],"technology":"Microsoft.OpenApi.Kiota","known_exclusions":[],"conditions_summary":"## Summary\n\nMicrosoft Kiota resolved OpenAPI `$ref`s by fetching remote `http(s)` URLs and reading local files\n(including absolute / out-of-tree paths), inlining the referenced schema into the generated client.\nRunning `kiota generate` on a spec whose `$ref` pointed at an attacker/internal URL or an arbitrary\nlocal file yielded SSRF, remote file inclusion, and local file inclusion. Verified on **1.32.3 / 1.32.4**.\n\n### Details\n\n- `$ref: http://attacker/internal-evil.json#/...` → build host fetches the URL (SSRF) and inlines the\n  remote schema (RFI); confirmed property `REMOTE_KIOTA_PROP` in the generated client.\n- `$ref: /abs/path.json#/...` or `../../secret.json#/...` → Kiota reads the out-of-tree local file and\n  inlines its schema (LFI); confirmed `Leaked` schema in the generated client. Resolution is transitive\n  across nesting levels.\n\nKiota **escapes** its output sinks (comments/strings/identifiers), so attacker-controlled remote/local\ncontent cannot break out into code — no RCE. The chain stops at SSRF + RFI + LFI.\n\n### Impact\n\nBuild-time SSRF (CWE-918) from the developer or CI host, disclosure of arbitrary local files (CWE-22), and\ninclusion of untrusted remote content (CW","public_affected_ranges":[">= 1.30.0, < 1.32.5"]},{"certainty":"source_listed","source_ids":["sr-00c47645709443ac83d0bdad323cd213"],"technology":"Microsoft.OpenApi.Kiota.Builder","known_exclusions":[],"conditions_summary":"## Summary\n\nMicrosoft Kiota resolved OpenAPI `$ref`s by fetching remote `http(s)` URLs and reading local files\n(including absolute / out-of-tree paths), inlining the referenced schema into the generated client.\nRunning `kiota generate` on a spec whose `$ref` pointed at an attacker/internal URL or an arbitrary\nlocal file yielded SSRF, remote file inclusion, and local file inclusion. Verified on **1.32.3 / 1.32.4**.\n\n### Details\n\n- `$ref: http://attacker/internal-evil.json#/...` → build host fetches the URL (SSRF) and inlines the\n  remote schema (RFI); confirmed property `REMOTE_KIOTA_PROP` in the generated client.\n- `$ref: /abs/path.json#/...` or `../../secret.json#/...` → Kiota reads the out-of-tree local file and\n  inlines its schema (LFI); confirmed `Leaked` schema in the generated client. Resolution is transitive\n  across nesting levels.\n\nKiota **escapes** its output sinks (comments/strings/identifiers), so attacker-controlled remote/local\ncontent cannot break out into code — no RCE. The chain stops at SSRF + RFI + LFI.\n\n### Impact\n\nBuild-time SSRF (CWE-918) from the developer or CI host, disclosure of arbitrary local files (CWE-22), and\ninclusion of untrusted remote content (CW","public_affected_ranges":[">= 1.30.0, < 1.32.5"]},{"certainty":"source_listed","source_ids":["sr-00c47645709443ac83d0bdad323cd213"],"technology":"Microsoft.OpenApi.Kiota","known_exclusions":[],"conditions_summary":"## Summary\n\nMicrosoft Kiota resolved OpenAPI `$ref`s by fetching remote `http(s)` URLs and reading local files\n(including absolute / out-of-tree paths), inlining the referenced schema into the generated client.\nRunning `kiota generate` on a spec whose `$ref` pointed at an attacker/internal URL or an arbitrary\nlocal file yielded SSRF, remote file inclusion, and local file inclusion. Verified on **1.32.3 / 1.32.4**.\n\n### Details\n\n- `$ref: http://attacker/internal-evil.json#/...` → build host fetches the URL (SSRF) and inlines the\n  remote schema (RFI); confirmed property `REMOTE_KIOTA_PROP` in the generated client.\n- `$ref: /abs/path.json#/...` or `../../secret.json#/...` → Kiota reads the out-of-tree local file and\n  inlines its schema (LFI); confirmed `Leaked` schema in the generated client. Resolution is transitive\n  across nesting levels.\n\nKiota **escapes** its output sinks (comments/strings/identifiers), so attacker-controlled remote/local\ncontent cannot break out into code — no RCE. The chain stops at SSRF + RFI + LFI.\n\n### Impact\n\nBuild-time SSRF (CWE-918) from the developer or CI host, disclosure of arbitrary local files (CWE-22), and\ninclusion of untrusted remote content (CW","public_affected_ranges":["< 1.29.1"]},{"certainty":"source_listed","source_ids":["sr-00c47645709443ac83d0bdad323cd213"],"technology":"Microsoft.OpenApi.Kiota.Builder","known_exclusions":[],"conditions_summary":"## Summary\n\nMicrosoft Kiota resolved OpenAPI `$ref`s by fetching remote `http(s)` URLs and reading local files\n(including absolute / out-of-tree paths), inlining the referenced schema into the generated client.\nRunning `kiota generate` on a spec whose `$ref` pointed at an attacker/internal URL or an arbitrary\nlocal file yielded SSRF, remote file inclusion, and local file inclusion. Verified on **1.32.3 / 1.32.4**.\n\n### Details\n\n- `$ref: http://attacker/internal-evil.json#/...` → build host fetches the URL (SSRF) and inlines the\n  remote schema (RFI); confirmed property `REMOTE_KIOTA_PROP` in the generated client.\n- `$ref: /abs/path.json#/...` or `../../secret.json#/...` → Kiota reads the out-of-tree local file and\n  inlines its schema (LFI); confirmed `Leaked` schema in the generated client. Resolution is transitive\n  across nesting levels.\n\nKiota **escapes** its output sinks (comments/strings/identifiers), so attacker-controlled remote/local\ncontent cannot break out into code — no RCE. The chain stops at SSRF + RFI + LFI.\n\n### Impact\n\nBuild-time SSRF (CWE-918) from the developer or CI host, disclosure of arbitrary local files (CWE-22), and\ninclusion of untrusted remote content (CW","public_affected_ranges":["< 1.29.1"]}],"null_published_at":"2026-11-03T10:03:26.531Z","source_updated_at":"2026-08-17T14:56:31.000Z","source_disclosed_at":"2026-07-24T16:10:17.000Z","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":"2026-11-02T20:15:44.568Z"}],"next_cursor":null,"snapshot_revision":"42594"}