{"id":"CVE-2026-117466","kind":"vulnerability","aliases":["CVE-2026-117466"],"related":[],"title":"Octopus Server: System Manager role can escalate to full Administrator","description":"In affected versions of Octopus Server, a user holding the System Manager role could escalate their privileges to full system Administrator.","summary":"In affected versions of Octopus Server, a user with the System Manager role can raise their own privileges to full system Administrator. An attacker with a System Manager account gets administrator control of the deployment server.","severity":"high","cvss":8.6,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ci-cd","octopus-deploy","other","self-hosted"],"not_affected_if":["fixed-version","no-system-manager-users"],"how_to_check":"- Identify the installed Octopus Server version and compare it to the affected range in the NVD entry (unknown from the sources given)\n- Review which users hold the System Manager role in Octopus Server settings","fix":"- Upgrade Octopus Server to a version that fixes CVE-2026-117466 (the fixed version is unknown from the sources)\n- Review users with the System Manager role and remove any that are not needed","status":"open","published_at":"2026-10-27T11:17:33+00:00","first_seen_at":"2026-10-27T11:31:28+00:00","triaged_at":"2026-10-27T11:31:45+00:00","updated_at":"2026-10-27T11:31:45+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-27T11:31:45Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Octopus Server to a version that fixes CVE-2026-117466 (the fixed version is unknown from the sources)\n- Review users with the System Manager role and remove any that are not needed","reach":"network","title":"Octopus Server: System Manager role can escalate to full Administrator","impact":"high","summary":"In affected versions of Octopus Server, a user with the System Manager role can raise their own privileges to full system Administrator. An attacker with a System Manager account gets administrator control of the deployment server.","category":"other","nicknames":[],"who_cares":["octopus-deploy","self-hosted","ci-cd"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker with System Manager account gains full Administrator control of the server","analyst_note":"Find the affected and fixed Octopus Server versions and the vendor advisory; check NVD entry https://nvd.nist.gov/vuln/detail/CVE-2026-117466","how_to_check":"- Identify the installed Octopus Server version and compare it to the affected range in the NVD entry (unknown from the sources given)\n- Review which users hold the System Manager role in Octopus Server settings","needs_analyst":true,"not_affected_if":["fixed-version","no-system-manager-users"],"who_is_affected":"Teams running affected versions of Octopus Server where some users hold the System Manager role. Installations with no System Manager users, or already on a fixed version, are not exposed. The sources do not say whether the flaw depends on any non-default setting.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000606,"input_tokens":3251,"output_tokens":562,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-117466':13A,16A '-2026':12A,15A 'account':55B 'administr':10A,48B,57B,83C 'affect':28B,64C 'attack':50B 'cd':19B 'ci':18B 'ci-cd':17B 'control':58B 'could':76C 'cve':11A,14A 'deploy':22B,61B 'escal':7A,77C 'full':9A,46B,81C 'get':56B 'hold':71C 'host':26B 'manag':4A,38B,54B,74C 'octopus':1A,21B,31B,67C 'octopus-deploy':20B 'privileg':44B,79C 'rais':41B 'role':5A,39B,75C 'self':25B 'self-host':24B 'server':2A,32B,62B,68C 'system':3A,37B,47B,53B,73C,82C 'user':34B,70C 'version':29B,65C","nicknames":[],"mitigations":[],"who_affected":"Teams running affected versions of Octopus Server where some users hold the System Manager role. Installations with no System Manager users, or already on a fixed version, are not exposed. The sources do not say whether the flaw depends on any non-default setting.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T11:17:33+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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","cvss_by":"security@octopus.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-117466","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-117466","severity":null,"published_at":"2026-10-27T11:17:33+00:00","modified_at":"2026-10-27T11:17:33+00:00","first_seen_at":"2026-10-27T11:31:28+00:00","fetched_at":"2026-10-27T11:31:28+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}