{"items":[{"id":"NVI-00013851","kind":"vulnerability","title":"multer vulnerable to file size limit bypass via async fileFilter race condition","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-qvfw-j98x-7q72","CVE-2026-77063"],"plain_summary":"GitHub lists this reviewed advisory for multer. 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-00444b9bbad9642ec303431b12065e1d"],"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":"2026-09-08T21:29:43.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-103370a151802f0de5e1ff31774b0773"},{"kind":"CVSS","as_of":"2026-09-02T14:46:51.367Z","value":"3.7 LOW (3.1)","meaning":"ce714d77-add3-4f53-aff5-83d477b104bb severity; no combined Null risk score.","source_id":"sr-4ac7807c1a72e48e2f736af172596085"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.233%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.14324. Missing scores are unknown.","source_id":"sr-00444b9bbad9642ec303431b12065e1d"}],"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-103370a151802f0de5e1ff31774b0773","url":"https://github.com/advisories/GHSA-qvfw-j98x-7q72","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qvfw-j98x-7q72","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:12.705Z"},{"id":"sr-4ac7807c1a72e48e2f736af172596085","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77063","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-77063","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T19:47:48.947Z"},{"id":"sr-00444b9bbad9642ec303431b12065e1d","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-2026-77063","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.398Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-103370a151802f0de5e1ff31774b0773"],"technology":"multer","known_exclusions":[],"conditions_summary":"### Impact\n\nWhen `multer` is configured with an asynchronous `fileFilter`, the `limits.fileSize` limit can be bypassed. The `'limit'` event is registered inside the async `fileFilter` callback, so if a file exceeds `limits.fileSize` before that callback runs, the event is missed and the oversized upload is accepted instead of being rejected with a `LIMIT_FILE_SIZE` error. Applications that rely on `limits.fileSize` to reject oversized uploads are affected on all upload methods (`.single()`, `.array()`, `.fields()`, `.any()`). Uploads using a synchronous `fileFilter` are not affected.\n\n### Patches\n\nUsers should upgrade to `2.3.0`.\n\n### Workarounds\n\nUse a synchronous `fileFilter`, or validate the uploaded file size after the upload completes.","public_affected_ranges":["< 2.3.0"]}],"null_published_at":"2026-11-08T19:53:44.055Z","source_updated_at":"2026-09-08T21:29:43.000Z","source_disclosed_at":"2026-09-08T21:29:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T22:54:12.705Z"},{"id":"NVI-00013851","kind":"vulnerability","title":"multer vulnerable to file size limit bypass via async fileFilter race condition","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qvfw-j98x-7q72","CVE-2026-77063"],"plain_summary":"GitHub lists this reviewed advisory for multer. 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-00444b9bbad9642ec303431b12065e1d"],"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":"2026-09-08T21:29:43.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-103370a151802f0de5e1ff31774b0773"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.233%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.14324. Missing scores are unknown.","source_id":"sr-00444b9bbad9642ec303431b12065e1d"}],"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-103370a151802f0de5e1ff31774b0773","url":"https://github.com/advisories/GHSA-qvfw-j98x-7q72","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qvfw-j98x-7q72","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:12.705Z"},{"id":"sr-00444b9bbad9642ec303431b12065e1d","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-2026-77063","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.398Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-103370a151802f0de5e1ff31774b0773"],"technology":"multer","known_exclusions":[],"conditions_summary":"### Impact\n\nWhen `multer` is configured with an asynchronous `fileFilter`, the `limits.fileSize` limit can be bypassed. The `'limit'` event is registered inside the async `fileFilter` callback, so if a file exceeds `limits.fileSize` before that callback runs, the event is missed and the oversized upload is accepted instead of being rejected with a `LIMIT_FILE_SIZE` error. Applications that rely on `limits.fileSize` to reject oversized uploads are affected on all upload methods (`.single()`, `.array()`, `.fields()`, `.any()`). Uploads using a synchronous `fileFilter` are not affected.\n\n### Patches\n\nUsers should upgrade to `2.3.0`.\n\n### Workarounds\n\nUse a synchronous `fileFilter`, or validate the uploaded file size after the upload completes.","public_affected_ranges":["< 2.3.0"]}],"null_published_at":"2026-11-07T07:07:42.507Z","source_updated_at":"2026-09-08T21:29:43.000Z","source_disclosed_at":"2026-09-08T21:29:42.000Z","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":"2026-11-01T22:54:12.705Z"},{"id":"NVI-00013851","kind":"vulnerability","title":"multer vulnerable to file size limit bypass via async fileFilter race condition","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qvfw-j98x-7q72","CVE-2026-77063"],"plain_summary":"GitHub lists this reviewed advisory for multer. 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-103370a151802f0de5e1ff31774b0773"],"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":"2026-09-08T21:29:43.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-103370a151802f0de5e1ff31774b0773"}],"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-103370a151802f0de5e1ff31774b0773","url":"https://github.com/advisories/GHSA-qvfw-j98x-7q72","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qvfw-j98x-7q72","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:12.705Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-103370a151802f0de5e1ff31774b0773"],"technology":"multer","known_exclusions":[],"conditions_summary":"### Impact\n\nWhen `multer` is configured with an asynchronous `fileFilter`, the `limits.fileSize` limit can be bypassed. The `'limit'` event is registered inside the async `fileFilter` callback, so if a file exceeds `limits.fileSize` before that callback runs, the event is missed and the oversized upload is accepted instead of being rejected with a `LIMIT_FILE_SIZE` error. Applications that rely on `limits.fileSize` to reject oversized uploads are affected on all upload methods (`.single()`, `.array()`, `.fields()`, `.any()`). Uploads using a synchronous `fileFilter` are not affected.\n\n### Patches\n\nUsers should upgrade to `2.3.0`.\n\n### Workarounds\n\nUse a synchronous `fileFilter`, or validate the uploaded file size after the upload completes.","public_affected_ranges":["< 2.3.0"]}],"null_published_at":"2026-11-02T10:00:37.160Z","source_updated_at":"2026-09-08T21:29:43.000Z","source_disclosed_at":"2026-09-08T21:29:42.000Z","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":"2026-11-01T22:54:12.705Z"}],"next_cursor":null,"snapshot_revision":"42594"}