{"id":"CVE-2026-25057","state":"PUBLISHED","title":"Zip Slip in MarkUs config upload allowing RCE","description":"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.","publishedAt":"2026-02-09T19:16:55.980Z","updatedAt":"2026-02-10T16:00:52.427Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["MarkUsProject Markus"],"affected":[{"vendor":"MarkUsProject","product":"Markus","versions":[{"version":"< 2.9.1","status":"affected"}]}],"references":["https://github.com/MarkUsProject/Markus/security/advisories/GHSA-mccg-p332-252h","https://github.com/MarkUsProject/Markus/commit/0ca002a1f0071c7a00dbb2ed34fede57323c5dc7","https://github.com/MarkUsProject/Markus/releases/tag/v2.9.1"],"weaknesses":["CWE-23"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/25xxx/CVE-2026-25057.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25057","state":"PUBLISHED","datePublished":"2026-02-09T19:16:55.980Z","dateUpdated":"2026-02-10T16:00:52.427Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-01-28T14:50:47.889Z"},"containers":{"cna":{"title":"Zip Slip in MarkUs config upload allowing RCE","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."}],"affected":[{"vendor":"MarkUsProject","product":"Markus","versions":[{"version":"< 2.9.1","status":"affected"}]}],"references":[{"url":"https://github.com/MarkUsProject/Markus/security/advisories/GHSA-mccg-p332-252h","name":"https://github.com/MarkUsProject/Markus/security/advisories/GHSA-mccg-p332-252h","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/MarkUsProject/Markus/commit/0ca002a1f0071c7a00dbb2ed34fede57323c5dc7","name":"https://github.com/MarkUsProject/Markus/commit/0ca002a1f0071c7a00dbb2ed34fede57323c5dc7","tags":["x_refsource_MISC"]},{"url":"https://github.com/MarkUsProject/Markus/releases/tag/v2.9.1","name":"https://github.com/MarkUsProject/Markus/releases/tag/v2.9.1","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-23","lang":"en","description":"CWE-23: Relative Path Traversal","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-09T19:16:55.980Z"},"source":{"advisory":"GHSA-mccg-p332-252h","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-10T16:00:52.427Z"}}]}}}