{"id":"CVE-2026-25047","state":"PUBLISHED","title":"deepHas vulnerable to Prototype Pollution via constructor.prototype","description":"deepHas provides a test for the existence of a nested object key and optionally returns that key. A prototype pollution vulnerability exists in version 1.0.7 of the deephas npm package that allows an attacker to modify global object behavior. This issue was fixed in version 1.0.8.","publishedAt":"2026-01-29T21:39:48.498Z","updatedAt":"2026-02-02T16:35:22.701Z","severity":{"score":9.4,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["sharpred deepHas"],"affected":[{"vendor":"sharpred","product":"deepHas","versions":[{"version":"< 1.0.7","status":"affected"}]}],"references":["https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27","https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465"],"weaknesses":["CWE-1321"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/25xxx/CVE-2026-25047.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25047","state":"PUBLISHED","datePublished":"2026-01-29T21:39:48.498Z","dateUpdated":"2026-02-02T16:35:22.701Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-01-28T14:50:47.886Z"},"containers":{"cna":{"title":"deepHas vulnerable to Prototype Pollution via constructor.prototype","descriptions":[{"lang":"en","value":"deepHas provides a test for the existence of a nested object key and optionally returns that key. A prototype pollution vulnerability exists in version 1.0.7 of the deephas npm package that allows an attacker to modify global object behavior. This issue was fixed in version 1.0.8."}],"affected":[{"vendor":"sharpred","product":"deepHas","versions":[{"version":"< 1.0.7","status":"affected"}]}],"references":[{"url":"https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27","name":"https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465","name":"https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":9.4,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1321","lang":"en","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-01-29T21:39:48.498Z"},"source":{"advisory":"GHSA-2733-6c58-pf27","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-30T14:48:51.987434Z","id":"CVE-2026-25047","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-02T16:35:22.701Z"}}]}}}