CVE-2026-4881
6.5 · MEDIUMOverview
CVE-2026-4881 is a medium-severity vulnerability affecting octopus octopus_server. It was published on June 4, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In affected versions of Octopus Server, permissions were not checked correctly resulting in any authenticated user being able to make server level changes using a certain API endpoint despite receiving an error.
Remediation
Check the references section for vendor advisories and patches from octopus. Update octopus_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| octopus | octopus_server | >= 2023.1.4189, < 2025.4.10545 | Affected |
Frequently Asked Questions
What is CVE-2026-4881?
CVE-2026-4881 is a medium-severity vulnerability affecting octopus octopus_server. It was published on June 4, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2026-4881?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-4881?
Check the references section for vendor advisories and patches from octopus. Update octopus_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-4881?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-4881 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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