Octopus Server

8 CVEs product

Monthly

CVE-2026-3236 MEDIUM This Month

Octopus Server allows authenticated attackers to generate new API keys from existing access tokens with extended lifetimes that exceed the original token's validity period. This token lifetime extension vulnerability (CWE-863) could enable attackers with valid credentials to maintain persistent access beyond intended restrictions. The vulnerability affects Octopus Server with no patch currently available.

Authentication Bypass Octopus Server
NVD
CVSS 3.1
4.3
EPSS
0.0%
CVE-2026-0704 CRITICAL Act Now

Path traversal in Octopus Deploy allows removing files and file contents on the host through API manipulation. Enables data destruction on the deployment server.

Path Traversal Octopus Server
NVD
CVSS 3.1
9.1
EPSS
0.1%
CVE-2025-0539 MEDIUM This Month

In affected Microsoft Windows versions of Octopus Deploy, the server can be coerced into sending server-side requests that contain authentication material allowing a suitably positioned attacker to. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable. No vendor patch available.

Microsoft SSRF Octopus Server Windows
NVD
CVSS 4.0
5.9
EPSS
0.1%
CVE-2025-0588 MEDIUM This Month

In affected versions of Octopus Server it was possible for a user with sufficient access to set custom headers in all server responses. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable. No vendor patch available.

CSRF Denial Of Service Octopus Server
NVD
CVSS 4.0
5.9
EPSS
0.4%
CVE-2025-0526 LOW Monitor

In affected versions of Octopus Deploy it was possible to upload files to unexpected locations on the host using an API endpoint. Rated low severity (CVSS 2.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Octopus Server
NVD
CVSS 4.0
2.3
EPSS
0.1%
CVE-2025-0513 LOW Monitor

In affected versions of Octopus Server error messages were handled unsafely on the error page. Rated low severity (CVSS 1.8), this vulnerability is remotely exploitable. No vendor patch available.

XSS Octopus Server
NVD
CVSS 4.0
1.8
EPSS
0.1%
CVE-2025-0525 LOW Monitor

In affected versions of Octopus Server the preview import feature could be leveraged to identify the existence of a target file. Rated low severity (CVSS 2.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Information Disclosure Octopus Server
NVD
CVSS 4.0
2.3
EPSS
0.2%
CVE-2025-0589 MEDIUM This Month

In affected versions of Octopus Deploy where customers are using Active Directory for authentication it was possible for an unauthenticated user to make an API request against two endpoints which. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Octopus Server
NVD
CVSS 4.0
6.9
EPSS
0.3%
CVE-2026-3236
EPSS 0% CVSS 4.3
MEDIUM This Month

Octopus Server allows authenticated attackers to generate new API keys from existing access tokens with extended lifetimes that exceed the original token's validity period. This token lifetime extension vulnerability (CWE-863) could enable attackers with valid credentials to maintain persistent access beyond intended restrictions. The vulnerability affects Octopus Server with no patch currently available.

Authentication Bypass Octopus Server
NVD
CVE-2026-0704
EPSS 0% CVSS 9.1
CRITICAL Act Now

Path traversal in Octopus Deploy allows removing files and file contents on the host through API manipulation. Enables data destruction on the deployment server.

Path Traversal Octopus Server
NVD
CVE-2025-0539
EPSS 0% CVSS 5.9
MEDIUM This Month

In affected Microsoft Windows versions of Octopus Deploy, the server can be coerced into sending server-side requests that contain authentication material allowing a suitably positioned attacker to. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable. No vendor patch available.

Microsoft SSRF Octopus Server +1
NVD
CVE-2025-0588
EPSS 0% CVSS 5.9
MEDIUM This Month

In affected versions of Octopus Server it was possible for a user with sufficient access to set custom headers in all server responses. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable. No vendor patch available.

CSRF Denial Of Service Octopus Server
NVD
CVE-2025-0526
EPSS 0% CVSS 2.3
LOW Monitor

In affected versions of Octopus Deploy it was possible to upload files to unexpected locations on the host using an API endpoint. Rated low severity (CVSS 2.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Octopus Server
NVD
CVE-2025-0513
EPSS 0% CVSS 1.8
LOW Monitor

In affected versions of Octopus Server error messages were handled unsafely on the error page. Rated low severity (CVSS 1.8), this vulnerability is remotely exploitable. No vendor patch available.

XSS Octopus Server
NVD
CVE-2025-0525
EPSS 0% CVSS 2.3
LOW Monitor

In affected versions of Octopus Server the preview import feature could be leveraged to identify the existence of a target file. Rated low severity (CVSS 2.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Information Disclosure Octopus Server
NVD
CVE-2025-0589
EPSS 0% CVSS 6.9
MEDIUM This Month

In affected versions of Octopus Deploy where customers are using Active Directory for authentication it was possible for an unauthenticated user to make an API request against two endpoints which. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Octopus Server
NVD

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