{"items":[{"id":"NVI-00013032","kind":"vulnerability","title":"Axios: Prototype pollution gadget in fetch adapter can alter outbound requests","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vh66-26gq-q6x8","CVE-2026-101908"],"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-06eeb700d524c9cb20582b56dd1df096"],"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":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.471%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.40824. Missing scores are unknown.","source_id":"sr-06eeb700d524c9cb20582b56dd1df096"}],"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-429b5a16c56680c77b0a0040df35d35b","url":"https://github.com/advisories/GHSA-vh66-26gq-q6x8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vh66-26gq-q6x8","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:22:52.960Z"},{"id":"sr-06eeb700d524c9cb20582b56dd1df096","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-2026-101908","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.307Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-429b5a16c56680c77b0a0040df35d35b"],"technology":"axios","known_exclusions":[],"conditions_summary":"## Summary\n\nAxios fetch adapter requests can be altered by inherited properties on `fetchOptions`. The adapter resolves method, headers, body, signal, and credentials into `resolvedOptions`, creates a `Request`, and then calls `fetch(request, fetchOptions)` instead of `fetch(request, resolvedOptions)`. In runtimes such as Node's undici-backed fetch, inherited `fetchOptions.headers` can override the headers already placed on the `Request`.\n\nAxios does not create the prototype pollution source. This is a read-side gadget that becomes exploitable after same-process prototype pollution.\n\n## Impact\n\nAn attacker with a prior prototype-pollution primitive can cause affected fetch-adapter requests to send attacker-controlled headers and drop caller-specified headers. This can affect authorization, cache behavior, metadata-service interactions, or application-specific header-based controls.\n\nThe issue is specific to fetch-adapter behavior and does not affect Node HTTP adapter requests.\n\n## Affected Functionality\n\nAffected:\n\n- `adapter: 'fetch'`.\n- Runtime environments where the fetch adapter is selected.\n- Requests where `fetchOptions` is an object that does not have safe own values for sen","public_affected_ranges":[">= 1.7.0, < 1.20.0"]}],"null_published_at":"2026-11-06T07:24:11.270Z","source_updated_at":"2026-09-30T15:13:17.000Z","source_disclosed_at":"2026-09-30T15:13:16.000Z","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":"2026-11-01T07:22:52.960Z"},{"id":"NVI-00013032","kind":"vulnerability","title":"Axios: Prototype pollution gadget in fetch adapter can alter outbound requests","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vh66-26gq-q6x8","CVE-2026-101908"],"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-429b5a16c56680c77b0a0040df35d35b"],"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-429b5a16c56680c77b0a0040df35d35b","url":"https://github.com/advisories/GHSA-vh66-26gq-q6x8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vh66-26gq-q6x8","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:22:52.960Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-429b5a16c56680c77b0a0040df35d35b"],"technology":"axios","known_exclusions":[],"conditions_summary":"## Summary\n\nAxios fetch adapter requests can be altered by inherited properties on `fetchOptions`. The adapter resolves method, headers, body, signal, and credentials into `resolvedOptions`, creates a `Request`, and then calls `fetch(request, fetchOptions)` instead of `fetch(request, resolvedOptions)`. In runtimes such as Node's undici-backed fetch, inherited `fetchOptions.headers` can override the headers already placed on the `Request`.\n\nAxios does not create the prototype pollution source. This is a read-side gadget that becomes exploitable after same-process prototype pollution.\n\n## Impact\n\nAn attacker with a prior prototype-pollution primitive can cause affected fetch-adapter requests to send attacker-controlled headers and drop caller-specified headers. This can affect authorization, cache behavior, metadata-service interactions, or application-specific header-based controls.\n\nThe issue is specific to fetch-adapter behavior and does not affect Node HTTP adapter requests.\n\n## Affected Functionality\n\nAffected:\n\n- `adapter: 'fetch'`.\n- Runtime environments where the fetch adapter is selected.\n- Requests where `fetchOptions` is an object that does not have safe own values for sen","public_affected_ranges":[">= 1.7.0, < 1.20.0"]}],"null_published_at":"2026-11-01T07:29:12.910Z","source_updated_at":"2026-09-30T15:13:17.000Z","source_disclosed_at":"2026-09-30T15:13:16.000Z","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"}