{"items":[{"id":"NVI-00013276","kind":"vulnerability","title":"Axios: Fetch Adapter Header Injection via Inherited FormData getHeaders","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-4hqw-qxg8-jxx2","CVE-2026-101900"],"plain_summary":"GitHub lists this reviewed advisory for axios. 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-2b4aa24c439033e86669242ccfe39bc1"],"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":"2026-09-30T19:38:27.293Z","value":"6.9 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-2b4aa24c439033e86669242ccfe39bc1"}],"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-afab4a5497ab93149ce66f4790ed80f0","url":"https://github.com/advisories/GHSA-4hqw-qxg8-jxx2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4hqw-qxg8-jxx2","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:22:52.960Z"},{"id":"sr-2b4aa24c439033e86669242ccfe39bc1","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101900","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-101900","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:04.487Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-afab4a5497ab93149ce66f4790ed80f0"],"technology":"axios","known_exclusions":[],"conditions_summary":"## Summary\n\nAxios contains a guard in the Node HTTP adapter to avoid using an inherited `Object.prototype.getHeaders` as a FormData header source. The fetch adapter calls the shared `resolveConfig()` helper before dispatch, and that helper lacks the same guard. If another vulnerability pollutes `Object.prototype` with FormData-like properties and `getHeaders()`, the fetch adapter can merge attacker-controlled headers into the outbound request.\n\nAxios does not create the prototype pollution source. This is a read-side gadget in the fetch adapter configuration path.\n\n## Impact\n\nAn attacker with a prior same-process prototype-pollution primitive can inject headers into fetch-adapter requests. Depending on the target service, this may affect authorization, metadata-service access, cache behavior, conditional request handling, or other application-specific header logic.\n\nPlain objects are blocked by current FormData detection. The confirmed path uses arrays or non-plain class instances whose prototype chain can resolve polluted FormData-like properties.\n\n## Affected Functionality\n\nAffected:\n\n- Fetch adapter requests.\n- `resolveConfig()` handling of `utils.isFormData(data)`.\n- Request bo","public_affected_ranges":[">= 1.12.0, < 1.20.0"]}],"null_published_at":"2026-11-03T10:03:31.388Z","source_updated_at":"2026-09-30T15:34:47.000Z","source_disclosed_at":"2026-09-30T15:34:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T07:22:52.960Z"},{"id":"NVI-00013276","kind":"vulnerability","title":"Axios: Fetch Adapter Header Injection via Inherited FormData getHeaders","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4hqw-qxg8-jxx2","CVE-2026-101900"],"plain_summary":"GitHub lists this reviewed advisory for axios. 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-afab4a5497ab93149ce66f4790ed80f0"],"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":[],"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-afab4a5497ab93149ce66f4790ed80f0","url":"https://github.com/advisories/GHSA-4hqw-qxg8-jxx2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4hqw-qxg8-jxx2","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:22:52.960Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-afab4a5497ab93149ce66f4790ed80f0"],"technology":"axios","known_exclusions":[],"conditions_summary":"## Summary\n\nAxios contains a guard in the Node HTTP adapter to avoid using an inherited `Object.prototype.getHeaders` as a FormData header source. The fetch adapter calls the shared `resolveConfig()` helper before dispatch, and that helper lacks the same guard. If another vulnerability pollutes `Object.prototype` with FormData-like properties and `getHeaders()`, the fetch adapter can merge attacker-controlled headers into the outbound request.\n\nAxios does not create the prototype pollution source. This is a read-side gadget in the fetch adapter configuration path.\n\n## Impact\n\nAn attacker with a prior same-process prototype-pollution primitive can inject headers into fetch-adapter requests. Depending on the target service, this may affect authorization, metadata-service access, cache behavior, conditional request handling, or other application-specific header logic.\n\nPlain objects are blocked by current FormData detection. The confirmed path uses arrays or non-plain class instances whose prototype chain can resolve polluted FormData-like properties.\n\n## Affected Functionality\n\nAffected:\n\n- Fetch adapter requests.\n- `resolveConfig()` handling of `utils.isFormData(data)`.\n- Request bo","public_affected_ranges":[">= 1.12.0, < 1.20.0"]}],"null_published_at":"2026-11-01T07:29:12.933Z","source_updated_at":"2026-09-30T15:34:47.000Z","source_disclosed_at":"2026-09-30T15:34:46.000Z","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":"2026-11-01T07:22:52.960Z"}],"next_cursor":null,"snapshot_revision":"42594"}