{"id":"CVE-2026-24888","state":"PUBLISHED","title":"Maker.js Vulnerable to Unsafe Property Copying in makerjs.extendObject","description":"Maker.js is a 2D vector line drawing and shape modeling for CNC and laser cutters. In versions up to and including 0.19.1, the `makerjs.extendObject` function copies properties from source objects without proper validation, potentially exposing applications to security risks. The function lacks `hasOwnProperty()` checks and does not filter dangerous keys, allowing inherited properties and potentially malicious properties to be copied to target objects. A patch is available in commit 85e0f12bd868974b891601a141974f929dec36b8, which is expected to be part of version 0.19.2.","publishedAt":"2026-01-28T21:35:44.030Z","updatedAt":"2026-01-29T18:00:53.428Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["microsoft maker.js"],"affected":[{"vendor":"microsoft","product":"maker.js","versions":[{"version":"<= 0.19.1","status":"affected"}]}],"references":["https://github.com/microsoft/maker.js/security/advisories/GHSA-2cp6-34r9-54xx","https://github.com/microsoft/maker.js/commit/85e0f12bd868974b891601a141974f929dec36b8","https://github.com/microsoft/maker.js/blob/98cffa82a372ff942194c925a12a311253587167/packages/maker.js/src/core/maker.ts#L232-L241"],"weaknesses":["CWE-1321"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/24xxx/CVE-2026-24888.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-24888","state":"PUBLISHED","datePublished":"2026-01-28T21:35:44.030Z","dateUpdated":"2026-01-29T18:00:53.428Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-01-27T19:35:20.528Z"},"containers":{"cna":{"title":"Maker.js Vulnerable to Unsafe Property Copying in makerjs.extendObject","descriptions":[{"lang":"en","value":"Maker.js is a 2D vector line drawing and shape modeling for CNC and laser cutters. In versions up to and including 0.19.1, the `makerjs.extendObject` function copies properties from source objects without proper validation, potentially exposing applications to security risks. The function lacks `hasOwnProperty()` checks and does not filter dangerous keys, allowing inherited properties and potentially malicious properties to be copied to target objects. A patch is available in commit 85e0f12bd868974b891601a141974f929dec36b8, which is expected to be part of version 0.19.2."}],"affected":[{"vendor":"microsoft","product":"maker.js","versions":[{"version":"<= 0.19.1","status":"affected"}]}],"references":[{"url":"https://github.com/microsoft/maker.js/security/advisories/GHSA-2cp6-34r9-54xx","name":"https://github.com/microsoft/maker.js/security/advisories/GHSA-2cp6-34r9-54xx","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/microsoft/maker.js/commit/85e0f12bd868974b891601a141974f929dec36b8","name":"https://github.com/microsoft/maker.js/commit/85e0f12bd868974b891601a141974f929dec36b8","tags":["x_refsource_MISC"]},{"url":"https://github.com/microsoft/maker.js/blob/98cffa82a372ff942194c925a12a311253587167/packages/maker.js/src/core/maker.ts#L232-L241","name":"https://github.com/microsoft/maker.js/blob/98cffa82a372ff942194c925a12a311253587167/packages/maker.js/src/core/maker.ts#L232-L241","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}}],"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":"2026-01-28T21:35:44.030Z"},"source":{"advisory":"GHSA-2cp6-34r9-54xx","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/microsoft/maker.js/security/advisories/GHSA-2cp6-34r9-54xx","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-29T16:02:22.958539Z","id":"CVE-2026-24888","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-29T18:00:53.428Z"}}]}}}