CVE-2025-26803

MEDIUM
Published Feb 24, 2025 Modified Feb 28, 2025 CWE-908

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.

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CVSS v3.1 Score

5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-908 CWE-908

Affected Products

Vendor Product
phusion passenger

References

Frequently Asked Questions

What is CVE-2025-26803? +
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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2025-26803? +
CVE-2025-26803 has a CVSS v3.1 score of 5.3 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-2025-26803? +
CVE-2025-26803 affects products from phusion, specifically: passenger. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-26803? +
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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