CVE-2025-0539

5.9 mediumEPSS 0.4%

Medium (5.9) in octopus octopus server. EPSS 0.4% chance of exploitation in the next 30 days.

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 compromise the account running Octopus Server and potentially the host infrastructure itself.

Severity

CVSS 4.0

5.9 medium

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2025-04-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

octopus:octopus_server

References

https://advisories.octopus.com/post/2025/sa2025-06

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