CVE-2025-0526

Description

In affected versions of Octopus Deploy it was possible to upload files to unexpected locations on the host using an API endpoint. The field lacked validation which could potentially result in ways to circumvent expected workflows.

CVSS v3.1 Score

5.4

MEDIUM

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

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
octopus	octopus_server	2022.4.791 — 2024.3.13097
octopus	octopus_server	2024.4.401 — 2024.4.7091
microsoft	windows	All

References

Advisories & Patches

https://advisories.octopus.com/post/2025/sa2025-03/

Other References

https://advisories.octopus.com/post/2024/sa2025-03/

Frequently Asked Questions

What is CVE-2025-0526? +

In affected versions of Octopus Deploy it was possible to upload files to unexpected locations on the host using an API endpoint. The field lacked validation which could potentially result in ways to circumvent expected workflows. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-0526? +

CVE-2025-0526 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-0526? +

CVE-2025-0526 affects products from microsoft, octopus, specifically: octopus_server, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0526? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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