CVE-2025-26803
5.3 · MEDIUMOverview
CVE-2025-26803 is a medium-severity vulnerability affecting phusion passenger. It was published on February 24, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The http parser in Phusion Passenger 6.0.21 through 6.0.25 before 6.0.26 allows a denial of service during parsing of a request with an invalid HTTP method.
Remediation
Check the references section for vendor advisories and patches from phusion. Update passenger 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 |
|---|---|---|---|
| phusion | passenger | >= 6.0.21, < 6.0.26 | Affected |
References
Frequently Asked Questions
What is CVE-2025-26803?
CVE-2025-26803 is a medium-severity vulnerability affecting phusion passenger. It was published on February 24, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2025-26803?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-26803?
Check the references section for vendor advisories and patches from phusion. Update passenger 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-2025-26803?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-26803 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
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