{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25057","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-01-28T14:50:47.889Z","datePublished":"2026-02-09T19:16:55.980Z","dateUpdated":"2026-02-10T16:00:52.427Z"},"containers":{"cna":{"title":"Zip Slip in MarkUs config upload allowing RCE","problemTypes":[{"descriptions":[{"cweId":"CWE-23","lang":"en","description":"CWE-23: Relative Path Traversal","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/MarkUsProject/Markus/security/advisories/GHSA-mccg-p332-252h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/MarkUsProject/Markus/security/advisories/GHSA-mccg-p332-252h"},{"name":"https://github.com/MarkUsProject/Markus/commit/0ca002a1f0071c7a00dbb2ed34fede57323c5dc7","tags":["x_refsource_MISC"],"url":"https://github.com/MarkUsProject/Markus/commit/0ca002a1f0071c7a00dbb2ed34fede57323c5dc7"},{"name":"https://github.com/MarkUsProject/Markus/releases/tag/v2.9.1","tags":["x_refsource_MISC"],"url":"https://github.com/MarkUsProject/Markus/releases/tag/v2.9.1"}],"affected":[{"vendor":"MarkUsProject","product":"Markus","versions":[{"version":"< 2.9.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-02-09T19:16:55.980Z"},"descriptions":[{"lang":"en","value":"MarkUs is a web application for the submission and grading of student assignments. Prior to 2.9.1, instructors are able to upload a zip file to create an assignment from an exported configuration (courses/<:course_id>/assignments/upload_config_files). The uploaded zip file entry names are used to create paths to write files to disk without checking these paths. This vulnerability is fixed in 2.9.1."}],"source":{"advisory":"GHSA-mccg-p332-252h","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-10T15:32:11.727315Z","id":"CVE-2026-25057","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-10T16:00:52.427Z"}}]}}