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CVE-2026-92355

Octopus Server · path traversal

CVSS 4.0 8.7 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-92355

Published

In affected versions of Octopus Server, a user with permission to modify non built-in external feeds could exploit a path traversal flaw to overwrite arbitrary files on the server, which in some configurations could lead to remote code execution.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-92355

Published

Octopus Server

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Octopus Deploy",
                    "product": "Octopus Server",
                    "platforms": [
                        "Windows",
                        "Linux"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2024.1.4131",
                            "lessThan": "2026.1.11725",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "2026.2.0",
                            "lessThan": "2026.2.13344",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "2026.3.0",
                            "lessThan": "2026.3.11816",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON