Vulnerability · Published Sep 16, 2026 · Assigned by Octopus
CVE-2026-92355
High 8.7
In plain English
A high-severity path traversal in Octopus Server from Octopus Deploy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.7%top 47.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Octopus Deploy | Octopus Server | 2024.1.4131 – before 2026.1.117252026.2.0 – before 2026.2.133442026.3.0 – before 2026.3.11816 |
Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N