{"items":[{"id":"NVI-00013215","kind":"vulnerability","title":"Tinypool: Prototype Pollution Gadget to RCE in run() options","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-85c8-ppgw-ccpr","CVE-2026-104849"],"plain_summary":"GitHub lists this reviewed advisory for tinypool. 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-3e7d50567ef853def8384690e932c50b"],"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":"2026-10-06T17:17:15.700Z","value":"9.5 CRITICAL (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-81270cc6a4a5fffc2c192ccbb93776b8"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.485%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.41776. Missing scores are unknown.","source_id":"sr-3e7d50567ef853def8384690e932c50b"}],"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-95d8e390183ead4c55c037800f4748ac","url":"https://github.com/advisories/GHSA-85c8-ppgw-ccpr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-85c8-ppgw-ccpr","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"},{"id":"sr-81270cc6a4a5fffc2c192ccbb93776b8","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104849","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-104849","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:14.367Z"},{"id":"sr-3e7d50567ef853def8384690e932c50b","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-2026-104849","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.263Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-95d8e390183ead4c55c037800f4748ac"],"technology":"tinypool","known_exclusions":[],"conditions_summary":"`tinypool` is a fork of `piscina` and inherited the same prototype-pollution surface. When `pool.run(task, options)` is called, the `filename` option is read from the provided `options` object. If that object does not have an own `filename` property, the lookup falls through to `Object.prototype`.\n\nAn attacker who can pollute `Object.prototype.filename` (for example, via a vulnerable `lodash.merge`, `qs.parse`, or similar elsewhere in the application) can make tinypool load and execute an attacker-controlled worker module.\n\nThis is the tinypool counterpart to the piscina root discovery GHSA-x9g3-xrwr-cwfg.\n\n`pool.run(task)` with no second argument is not affected, because `kDefaultOptions.filename` is `null` and the options object is not user-controlled. The exploit only triggers when the caller passes their own options object to `pool.run()`.\n\n## Impact\n\nArbitrary JavaScript execution in the worker pool. If the application passes attacker-controlled data as the `run()` task and also supplies a `run()` options object, the attacker can redirect execution to a malicious worker that exfiltrates or modifies","public_affected_ranges":["< 2.1.2"]}],"null_published_at":"2026-11-08T19:53:48.769Z","source_updated_at":"2026-10-05T22:49:53.000Z","source_disclosed_at":"2026-10-05T22:49:52.000Z","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":"2026-11-01T01:39:10.636Z"},{"id":"NVI-00013215","kind":"vulnerability","title":"Tinypool: Prototype Pollution Gadget to RCE in run() options","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-85c8-ppgw-ccpr","CVE-2026-104849"],"plain_summary":"GitHub lists this reviewed advisory for tinypool. 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-81270cc6a4a5fffc2c192ccbb93776b8"],"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":"2026-10-06T17:17:15.700Z","value":"9.5 CRITICAL (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-81270cc6a4a5fffc2c192ccbb93776b8"}],"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-95d8e390183ead4c55c037800f4748ac","url":"https://github.com/advisories/GHSA-85c8-ppgw-ccpr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-85c8-ppgw-ccpr","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"},{"id":"sr-81270cc6a4a5fffc2c192ccbb93776b8","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104849","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-104849","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:14.367Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-95d8e390183ead4c55c037800f4748ac"],"technology":"tinypool","known_exclusions":[],"conditions_summary":"`tinypool` is a fork of `piscina` and inherited the same prototype-pollution surface. When `pool.run(task, options)` is called, the `filename` option is read from the provided `options` object. If that object does not have an own `filename` property, the lookup falls through to `Object.prototype`.\n\nAn attacker who can pollute `Object.prototype.filename` (for example, via a vulnerable `lodash.merge`, `qs.parse`, or similar elsewhere in the application) can make tinypool load and execute an attacker-controlled worker module.\n\nThis is the tinypool counterpart to the piscina root discovery GHSA-x9g3-xrwr-cwfg.\n\n`pool.run(task)` with no second argument is not affected, because `kDefaultOptions.filename` is `null` and the options object is not user-controlled. The exploit only triggers when the caller passes their own options object to `pool.run()`.\n\n## Impact\n\nArbitrary JavaScript execution in the worker pool. If the application passes attacker-controlled data as the `run()` task and also supplies a `run()` options object, the attacker can redirect execution to a malicious worker that exfiltrates or modifies","public_affected_ranges":["< 2.1.2"]}],"null_published_at":"2026-11-08T15:11:49.381Z","source_updated_at":"2026-10-05T22:49:53.000Z","source_disclosed_at":"2026-10-05T22:49:52.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T01:39:10.636Z"},{"id":"NVI-00013215","kind":"vulnerability","title":"Tinypool: Prototype Pollution Gadget to RCE in run() options","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-85c8-ppgw-ccpr","CVE-2026-104849"],"plain_summary":"GitHub lists this reviewed advisory for tinypool. 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-95d8e390183ead4c55c037800f4748ac"],"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-95d8e390183ead4c55c037800f4748ac","url":"https://github.com/advisories/GHSA-85c8-ppgw-ccpr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-85c8-ppgw-ccpr","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-95d8e390183ead4c55c037800f4748ac"],"technology":"tinypool","known_exclusions":[],"conditions_summary":"`tinypool` is a fork of `piscina` and inherited the same prototype-pollution surface. When `pool.run(task, options)` is called, the `filename` option is read from the provided `options` object. If that object does not have an own `filename` property, the lookup falls through to `Object.prototype`.\n\nAn attacker who can pollute `Object.prototype.filename` (for example, via a vulnerable `lodash.merge`, `qs.parse`, or similar elsewhere in the application) can make tinypool load and execute an attacker-controlled worker module.\n\nThis is the tinypool counterpart to the piscina root discovery GHSA-x9g3-xrwr-cwfg.\n\n`pool.run(task)` with no second argument is not affected, because `kDefaultOptions.filename` is `null` and the options object is not user-controlled. The exploit only triggers when the caller passes their own options object to `pool.run()`.\n\n## Impact\n\nArbitrary JavaScript execution in the worker pool. If the application passes attacker-controlled data as the `run()` task and also supplies a `run()` options object, the attacker can redirect execution to a malicious worker that exfiltrates or modifies","public_affected_ranges":["< 2.1.2"]}],"null_published_at":"2026-11-01T07:29:12.930Z","source_updated_at":"2026-10-05T22:49:53.000Z","source_disclosed_at":"2026-10-05T22:49:52.000Z","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":"2026-11-01T01:39:10.636Z"}],"next_cursor":null,"snapshot_revision":"42594"}