{"items":[{"id":"NVI-00015265","kind":"vulnerability","title":"Deno: Permission Bypass via Unicode Normalization Mismatch on macOS (APFS)","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-8xpq-cjcf-3wh9","CVE-2026-49401"],"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-0a365107e279438fd27956e109ad7bda"],"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":"2026-07-31T13:15:55.000Z","value":"7.3 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4ccb9470efd1522bb21a4643324b0dfc"},{"kind":"CVSS","as_of":"2026-10-25T23:10:00.167Z","value":"7.3 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-0a365107e279438fd27956e109ad7bda"},{"kind":"CVSS","as_of":"2026-10-25T23:10:00.167Z","value":"8.4 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-0a365107e279438fd27956e109ad7bda"}],"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-4ccb9470efd1522bb21a4643324b0dfc","url":"https://github.com/advisories/GHSA-8xpq-cjcf-3wh9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-8xpq-cjcf-3wh9","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:49.818Z"},{"id":"sr-0a365107e279438fd27956e109ad7bda","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49401","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-49401","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T01:47:50.916Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4ccb9470efd1522bb21a4643324b0dfc"],"technology":"deno","known_exclusions":[],"conditions_summary":"## Summary\n\nDeno's permission system enforces filesystem and execution restrictions by\ncomparing the requested path against the path supplied to `--deny-read`,\n`--deny-write`, `--deny-run`, or `--deny-ffi`. On macOS, that comparison was\ndone at the raw-byte level while the APFS filesystem treats different Unicode\nspellings of the same name as the same file.\n\nThat means a program could reach a denied path by spelling it differently than\nthe deny rule. For example, with `--deny-read=/secrets/passwörter.txt`, a\nscript could still read the file by opening `/secrets/passwo\\u0308rter.txt`\n(NFD instead of NFC), or `/SECRETS/PASSWÖRTER.txt` (different case, since\ndefault APFS volumes are case-insensitive). Other forms include ligature\ncharacters (`fi` vs `fi`, `ff` vs `ff`, …) and German `ß` vs `ss`.\n\nThe denied path and the requested path differed at the byte level, so Deno's\npermission check passed; the kernel then resolved them to the same inode and\nserved the file anyway. The same flaw affected `--deny-write`, `--deny-run`,\nand `--deny-ffi`, which share the same path-comparison code.\n\n## Am I affected?\n\nYou are potentially affected if **all** of the following are true:\n\n1. You run Deno o","public_affected_ranges":["<= 2.7.13"]}],"null_published_at":"2026-11-08T19:53:44.021Z","source_updated_at":"2026-07-31T13:15:55.000Z","source_disclosed_at":"2026-06-16T19:11:52.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-03T09:58:49.818Z"},{"id":"NVI-00015265","kind":"vulnerability","title":"Deno: Permission Bypass via Unicode Normalization Mismatch on macOS (APFS)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8xpq-cjcf-3wh9","CVE-2026-49401"],"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-4ccb9470efd1522bb21a4643324b0dfc"],"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":"2026-07-31T13:15:55.000Z","value":"7.3 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4ccb9470efd1522bb21a4643324b0dfc"}],"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-4ccb9470efd1522bb21a4643324b0dfc","url":"https://github.com/advisories/GHSA-8xpq-cjcf-3wh9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-8xpq-cjcf-3wh9","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:49.818Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4ccb9470efd1522bb21a4643324b0dfc"],"technology":"deno","known_exclusions":[],"conditions_summary":"## Summary\n\nDeno's permission system enforces filesystem and execution restrictions by\ncomparing the requested path against the path supplied to `--deny-read`,\n`--deny-write`, `--deny-run`, or `--deny-ffi`. On macOS, that comparison was\ndone at the raw-byte level while the APFS filesystem treats different Unicode\nspellings of the same name as the same file.\n\nThat means a program could reach a denied path by spelling it differently than\nthe deny rule. For example, with `--deny-read=/secrets/passwörter.txt`, a\nscript could still read the file by opening `/secrets/passwo\\u0308rter.txt`\n(NFD instead of NFC), or `/SECRETS/PASSWÖRTER.txt` (different case, since\ndefault APFS volumes are case-insensitive). Other forms include ligature\ncharacters (`fi` vs `fi`, `ff` vs `ff`, …) and German `ß` vs `ss`.\n\nThe denied path and the requested path differed at the byte level, so Deno's\npermission check passed; the kernel then resolved them to the same inode and\nserved the file anyway. The same flaw affected `--deny-write`, `--deny-run`,\nand `--deny-ffi`, which share the same path-comparison code.\n\n## Am I affected?\n\nYou are potentially affected if **all** of the following are true:\n\n1. You run Deno o","public_affected_ranges":["<= 2.7.13"]}],"null_published_at":"2026-11-03T10:03:26.566Z","source_updated_at":"2026-07-31T13:15:55.000Z","source_disclosed_at":"2026-06-16T19:11:52.000Z","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":"2026-11-03T09:58:49.818Z"}],"next_cursor":null,"snapshot_revision":"42594"}