CVE-2025-26803
highpriority · track · 30EPSS 0.006 · 49 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
advisories (4)
Vendor and ecosystem advisories describing this.
- GHSA-2cj2-qqxj-5m3rPhusion Passenger denial of service 2025-02-24ghsa · osvUS
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.
- BIT-passenger-2025-268032025-03-02vendor · osvUS
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.
- BIT-passenger-apache-module-2025-268032025-03-02vendor · osvUS
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.
- BIT-passenger-nginx-module-2025-268032025-03-02vendor · osvUS
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.
also known as (7)
Other names and identifiers for this entity.
- CNNVD-202502-2439cnnvd
- EUVD-2025-4281enisa_euvd
- GHSA-2cj2-qqxj-5m3renisa_euvd
- BIT-passenger-2025-26803osv
- BIT-passenger-apache-module-2025-26803osv
- BIT-passenger-nginx-module-2025-26803osv
- GHSA-2cj2-qqxj-5m3rosv
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- https://blog.phusion.nl/2025/02/19/passenger-6-0-26/cnnvd
- https://github.com/phusion/passenger/commit/bb15591646687064ab2d578d5f9660b2a4168017cnnvd
- https://github.com/phusion/passenger/compare/release-6.0.25...release-6.0.26cnnvd
- https://github.com/phusion/passenger/releases/tag/release-6.0.26cnnvd
- https://www.phusionpassenger.com/supportcnnvd
- https://blog.phusion.nl/2025/02/19/passenger-6-0-26/enisa_euvd
- https://github.com/phusion/passenger/commit/bb15591646687064ab2d578d5f9660b2a4168017enisa_euvd
- https://github.com/phusion/passenger/compare/release-6.0.25...release-6.0.26enisa_euvd
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