CVE-2025-26803

Summary

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.

Affected Software

Weaknesses

• CWE-908: CWE-908 Use of Uninitialized Resource

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.phusionpassenger.com/support
• https://github.com/phusion/passenger/compare/release-6.0.25…release-6.0.26
• https://github.com/phusion/passenger/releases/tag/release-6.0.26
• https://blog.phusion.nl/2025/02/19/passenger-6-0-26/
• https://github.com/phusion/passenger/commit/bb15591646687064ab2d578d5f9660b2a4168017

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