{"id":"CVE-2026-12887","aliases":["EUVD-2026-110853","GHSA-7cvm-rc3q-qjrq"],"status":"published","title":"In affected versions of Octopus Server, a user with permission to upload a malicious nuget...","description":"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.","severity":{"version":"4.0","score":5.1,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00313,"percentile":0.24413,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-10-27T13:15:22Z","modified":"2026-11-04T18:31:49Z","products":[{"vendor":"octopus deploy","product":"octopus server"}],"references":[{"url":"https://advisories.octopus.com/post/2026/sa2026-14/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12887"},{"url":"https://advisories.octopus.com/post/2026/sa2026-14"},{"url":"https://github.com/advisories/GHSA-7cvm-rc3q-qjrq"}],"sources":{"cve":[{"id":"CVE-2026-12887","description":"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.","status":"published","published":"2026-10-27T13:15:22.608Z","modified":"2026-11-04T17:17:30.463Z","cvss":[{"version":"4.0","score":5.1,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-04T19:06:09.720053Z"}],"euvd":[{"id":"EUVD-2026-110853","description":"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.","status":"published","published":"2026-10-27T13:15:22Z","modified":"2026-11-04T17:17:30Z","cvss":[{"version":"4.0","score":5.1,"vector":"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","level":"medium"}],"updated_at":"2026-11-04T18:12:44.477339Z"}],"ghsa":[{"id":"GHSA-7cvm-rc3q-qjrq","title":"In affected versions of Octopus Server, a user with permission to upload a malicious nuget...","description":"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.","status":"published","published":"2026-10-27T15:33:05Z","modified":"2026-11-04T18:31:49Z","cvss":[{"version":"4.0","score":5.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-04T18:55:44.84967Z"}],"nvd":[{"id":"CVE-2026-12887","description":"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.","status":"published","published":"2026-10-27T14:17:00.59Z","modified":"2026-11-04T18:17:43.833Z","cvss":[{"version":"4.0","score":5.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-04T20:08:23.117709Z"}]}}