CVE-2025-0539

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-10 · updated 2026-06-17
Weakness: CWE-918

Description

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.

Affected products

Octopus Deploy Octopus Server: from 2.6.0 before 2024.3.13071; from 2024.4.401 before 2024.4.7065 — fixed in 2024.3.13071, 2024.4.7065

How to fix

Upgrade to a fixed version: Octopus Deploy Octopus Server 2024.3.13071, 2024.4.7065. Check the vendor advisory for mitigations.

References

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

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