{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12887","assignerOrgId":"6f4f8c89-ef06-4bae-a2a5-6734ddf76272","state":"PUBLISHED","assignerShortName":"Octopus","dateReserved":"2026-06-22T10:55:01.254Z","datePublished":"2026-10-27T13:15:22.608Z","dateUpdated":"2026-10-27T13:15:22.608Z"},"containers":{"cna":{"providerMetadata":{"orgId":"6f4f8c89-ef06-4bae-a2a5-6734ddf76272","shortName":"Octopus","dateUpdated":"2026-10-27T13:15:22.608Z"},"problemTypes":[{"descriptions":[{"lang":"en","description":"Path Traversal in Octopus Server"}]}],"affected":[{"vendor":"Octopus Deploy","product":"Octopus Server","platforms":["Windows","Linux"],"versions":[{"status":"affected","version":"2023.0.0","lessThan":"2026.1.674","versionType":"custom"},{"status":"affected","version":"2026.1","lessThan":"2026.1.674","versionType":"custom"},{"status":"affected","version":"2026.2","lessThan":"2026.2.973","versionType":"custom"},{"status":"affected","version":"2026.3","lessThan":"2026.3.5839","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"In affected versions of Octopus Server, a user with permission to upload a malicious nuget package is able to deploy a script step so the script executes outside of the parent directory.","supportingMedia":[{"type":"text/html","base64":false,"value":"In affected versions of Octopus Server, a user with permission to upload a malicious nuget package is able to deploy a script step so the script executes outside of the parent directory."}]}],"references":[{"url":"https://advisories.octopus.com/post/2026/sa2026-14/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"This vulnerability was found by siddharthkathole62bb60","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}