{"items":[{"id":"NVI-00014018","kind":"vulnerability","title":"Deno has an incomplete fix for command-injection prevention on Windows — case-insensitive extension bypass","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-m3c4-prhw-mrx6","CVE-2026-22864"],"plain_summary":"GitHub lists this reviewed advisory for deno. 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-1b833c78ea0b4a16c055ac89f3f5465a"],"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":"2026-08-28T09:52:28.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-327a25624f508e789505fd7df47e4a74"},{"kind":"CVSS","as_of":"2026-06-17T10:20:31.700Z","value":"8.1 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-121ff7d1b169cb079d49777027798152"},{"kind":"CVSS","as_of":"2026-06-17T10:20:31.700Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-121ff7d1b169cb079d49777027798152"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.672%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.52195. Missing scores are unknown.","source_id":"sr-1b833c78ea0b4a16c055ac89f3f5465a"}],"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-327a25624f508e789505fd7df47e4a74","url":"https://github.com/advisories/GHSA-m3c4-prhw-mrx6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m3c4-prhw-mrx6","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"},{"id":"sr-121ff7d1b169cb079d49777027798152","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22864","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-22864","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-07T13:57:18.395Z"},{"id":"sr-1b833c78ea0b4a16c055ac89f3f5465a","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-2026-22864","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.321Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-327a25624f508e789505fd7df47e4a74"],"technology":"deno","known_exclusions":[],"conditions_summary":"### Summary\nA prior patch aimed to block spawning Windows batch/shell files by returning an error when a spawned path’s extension matched `.bat` or `.cmd`. That check performs a case-sensitive comparison against lowercase literals and therefore can be bypassed when the extension uses alternate casing (for example `.BAT, .Bat`, etc.).\n\n### POC\n```javascript\nconst command = new Deno.Command('./test.BAT', {\n  args: ['&calc.exe'],\n});\nconst child = command.spawn();\n```\nThis causes `calc.exe` to be launched; see the attached screenshot for evidence.\n\n**Patched in `CVE-2025-61787` — prevents execution of `.bat` and `.cmd` files:**\n!photo_2025-10-10 02 27 23\n\n**Bypass of the patched vulnerability:**\n!photo_2025-10-10 02 27 25\n\n\n### Impact\nThe script launches calc.exe on Windows, demonstrating that passing user-controlled arguments to a spawned batch script can result in command-line injection.\n\n### Mitigation\n\nUsers should update to Deno v2.5.6 or newer.","public_affected_ranges":["< 2.5.6"]}],"null_published_at":"2026-11-08T19:53:44.011Z","source_updated_at":"2026-08-28T09:52:28.000Z","source_disclosed_at":"2026-01-16T15:49:38.000Z","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":"2026-11-02T09:56:23.004Z"},{"id":"NVI-00014018","kind":"vulnerability","title":"Deno has an incomplete fix for command-injection prevention on Windows — case-insensitive extension bypass","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-m3c4-prhw-mrx6","CVE-2026-22864"],"plain_summary":"GitHub lists this reviewed advisory for deno. 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-121ff7d1b169cb079d49777027798152"],"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":"2026-08-28T09:52:28.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-327a25624f508e789505fd7df47e4a74"},{"kind":"CVSS","as_of":"2026-06-17T10:20:31.700Z","value":"8.1 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-121ff7d1b169cb079d49777027798152"},{"kind":"CVSS","as_of":"2026-06-17T10:20:31.700Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-121ff7d1b169cb079d49777027798152"}],"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-327a25624f508e789505fd7df47e4a74","url":"https://github.com/advisories/GHSA-m3c4-prhw-mrx6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m3c4-prhw-mrx6","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"},{"id":"sr-121ff7d1b169cb079d49777027798152","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22864","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-22864","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-07T13:57:18.395Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-327a25624f508e789505fd7df47e4a74"],"technology":"deno","known_exclusions":[],"conditions_summary":"### Summary\nA prior patch aimed to block spawning Windows batch/shell files by returning an error when a spawned path’s extension matched `.bat` or `.cmd`. That check performs a case-sensitive comparison against lowercase literals and therefore can be bypassed when the extension uses alternate casing (for example `.BAT, .Bat`, etc.).\n\n### POC\n```javascript\nconst command = new Deno.Command('./test.BAT', {\n  args: ['&calc.exe'],\n});\nconst child = command.spawn();\n```\nThis causes `calc.exe` to be launched; see the attached screenshot for evidence.\n\n**Patched in `CVE-2025-61787` — prevents execution of `.bat` and `.cmd` files:**\n!photo_2025-10-10 02 27 23\n\n**Bypass of the patched vulnerability:**\n!photo_2025-10-10 02 27 25\n\n\n### Impact\nThe script launches calc.exe on Windows, demonstrating that passing user-controlled arguments to a spawned batch script can result in command-line injection.\n\n### Mitigation\n\nUsers should update to Deno v2.5.6 or newer.","public_affected_ranges":["< 2.5.6"]}],"null_published_at":"2026-11-07T18:43:12.066Z","source_updated_at":"2026-08-28T09:52:28.000Z","source_disclosed_at":"2026-01-16T15:49:38.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T09:56:23.004Z"},{"id":"NVI-00014018","kind":"vulnerability","title":"Deno has an incomplete fix for command-injection prevention on Windows — case-insensitive extension bypass","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-m3c4-prhw-mrx6","CVE-2026-22864"],"plain_summary":"GitHub lists this reviewed advisory for deno. 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-327a25624f508e789505fd7df47e4a74"],"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":"2026-08-28T09:52:28.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-327a25624f508e789505fd7df47e4a74"}],"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-327a25624f508e789505fd7df47e4a74","url":"https://github.com/advisories/GHSA-m3c4-prhw-mrx6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m3c4-prhw-mrx6","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-327a25624f508e789505fd7df47e4a74"],"technology":"deno","known_exclusions":[],"conditions_summary":"### Summary\nA prior patch aimed to block spawning Windows batch/shell files by returning an error when a spawned path’s extension matched `.bat` or `.cmd`. That check performs a case-sensitive comparison against lowercase literals and therefore can be bypassed when the extension uses alternate casing (for example `.BAT, .Bat`, etc.).\n\n### POC\n```javascript\nconst command = new Deno.Command('./test.BAT', {\n  args: ['&calc.exe'],\n});\nconst child = command.spawn();\n```\nThis causes `calc.exe` to be launched; see the attached screenshot for evidence.\n\n**Patched in `CVE-2025-61787` — prevents execution of `.bat` and `.cmd` files:**\n!photo_2025-10-10 02 27 23\n\n**Bypass of the patched vulnerability:**\n!photo_2025-10-10 02 27 25\n\n\n### Impact\nThe script launches calc.exe on Windows, demonstrating that passing user-controlled arguments to a spawned batch script can result in command-line injection.\n\n### Mitigation\n\nUsers should update to Deno v2.5.6 or newer.","public_affected_ranges":["< 2.5.6"]}],"null_published_at":"2026-11-02T10:00:37.197Z","source_updated_at":"2026-08-28T09:52:28.000Z","source_disclosed_at":"2026-01-16T15:49:38.000Z","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":"2026-11-02T09:56:23.004Z"}],"next_cursor":null,"snapshot_revision":"42594"}