High severity · published Sep 16, 2026
CVE-2026-92355
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…
8.7
CVSS
0.7%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OS
Octopus Server · Octopus Deploy
2024.1.4131 before 2026.1.11725; 2026.2.0 before 2026.2.13344; 2026.3.0 before 2026.3.11816 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-92355
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-92355
advisories.octopus.com
https://advisories.octopus.com/post/2026/sa2026-09
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