Critical severity · published Feb 25, 2026
CVE-2026-0704
In affected version of Octopus Deploy it was possible to remove files and/or contents of files on the host using an API endpoint
9.1
CVSS
0.4%
EPSS
No
On KEV
Description
In affected version of Octopus Deploy it was possible to remove files and/or contents of files on the host using an API endpoint. The field lacked validation which could potentially result in ways to circumvent expected workflows.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OS
Octopus Server · Octopus Deploy
2023.0.0 before 2025.3.14715; 2025.4.0 before 2025.4.10359 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0704
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0704
Vendor Advisory
https://advisories.octopus.com/post/2026/sa2026-01
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