{"items":[{"id":"NVI-00012013","kind":"vulnerability","title":"msgpack5: Partial options disable prototype protection","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-8hq7-ggx2-cc6m","CVE-2026-107301"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-2f3ea658d7d68a3ca418eb2018986ab2"],"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":"2026-10-08T17:39:58.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-877fb2ba5f3371cb972039a34c770a2d"},{"kind":"CVSS","as_of":"2026-10-14T01:17:05.583Z","value":"6.5 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-29d7efead4f99dea038e6322920118f2"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.366%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.30484. Missing scores are unknown.","source_id":"sr-2f3ea658d7d68a3ca418eb2018986ab2"}],"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-877fb2ba5f3371cb972039a34c770a2d","url":"https://github.com/advisories/GHSA-8hq7-ggx2-cc6m","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-8hq7-ggx2-cc6m","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-29d7efead4f99dea038e6322920118f2","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107301","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107301","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:29.490Z"},{"id":"sr-2f3ea658d7d68a3ca418eb2018986ab2","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-2026-107301","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.264Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-877fb2ba5f3371cb972039a34c770a2d"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nPassing an empty or partial options object disables the default `protoAction: 'error'` protection. A map containing a `__proto__` key can then replace the prototype of the decoded object, potentially changing inherited properties or causing unexpected behavior in downstream code.\n\nOnly the decoded object's prototype is affected; this does not modify `Object.prototype` globally.\n\n### Patches\n\nOptions are now merged with secure defaults without modifying the caller's object. Unsupported `protoAction` values are rejected.\n\n### Workarounds\n\nExplicitly set `protoAction: 'error'` whenever constructing a msgpack5 instance, and validate decoded values before use.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-06T15:18:11.485Z","source_updated_at":"2026-10-08T17:39:58.000Z","source_disclosed_at":"2026-10-08T17:39:57.000Z","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":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00012013","kind":"vulnerability","title":"msgpack5: Partial options disable prototype protection","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-8hq7-ggx2-cc6m","CVE-2026-107301"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-29d7efead4f99dea038e6322920118f2"],"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":"2026-10-08T17:39:58.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-877fb2ba5f3371cb972039a34c770a2d"},{"kind":"CVSS","as_of":"2026-10-14T01:17:05.583Z","value":"6.5 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-29d7efead4f99dea038e6322920118f2"}],"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-877fb2ba5f3371cb972039a34c770a2d","url":"https://github.com/advisories/GHSA-8hq7-ggx2-cc6m","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-8hq7-ggx2-cc6m","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-29d7efead4f99dea038e6322920118f2","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107301","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107301","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:29.490Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-877fb2ba5f3371cb972039a34c770a2d"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nPassing an empty or partial options object disables the default `protoAction: 'error'` protection. A map containing a `__proto__` key can then replace the prototype of the decoded object, potentially changing inherited properties or causing unexpected behavior in downstream code.\n\nOnly the decoded object's prototype is affected; this does not modify `Object.prototype` globally.\n\n### Patches\n\nOptions are now merged with secure defaults without modifying the caller's object. Unsupported `protoAction` values are rejected.\n\n### Workarounds\n\nExplicitly set `protoAction: 'error'` whenever constructing a msgpack5 instance, and validate decoded values before use.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-03T10:03:31.387Z","source_updated_at":"2026-10-08T17:39:58.000Z","source_disclosed_at":"2026-10-08T17:39:57.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00012013","kind":"vulnerability","title":"msgpack5: Partial options disable prototype protection","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8hq7-ggx2-cc6m","CVE-2026-107301"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-877fb2ba5f3371cb972039a34c770a2d"],"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":"2026-10-08T17:39:58.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-877fb2ba5f3371cb972039a34c770a2d"}],"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-877fb2ba5f3371cb972039a34c770a2d","url":"https://github.com/advisories/GHSA-8hq7-ggx2-cc6m","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-8hq7-ggx2-cc6m","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-877fb2ba5f3371cb972039a34c770a2d"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nPassing an empty or partial options object disables the default `protoAction: 'error'` protection. A map containing a `__proto__` key can then replace the prototype of the decoded object, potentially changing inherited properties or causing unexpected behavior in downstream code.\n\nOnly the decoded object's prototype is affected; this does not modify `Object.prototype` globally.\n\n### Patches\n\nOptions are now merged with secure defaults without modifying the caller's object. Unsupported `protoAction` values are rejected.\n\n### Workarounds\n\nExplicitly set `protoAction: 'error'` whenever constructing a msgpack5 instance, and validate decoded values before use.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-01T01:03:56.622Z","source_updated_at":"2026-10-08T17:39:58.000Z","source_disclosed_at":"2026-10-08T17:39:57.000Z","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":"2026-11-01T00:58:38.867Z"}],"next_cursor":null,"snapshot_revision":"42594"}