CVE-2025-26803

HIGH EPSS 42.9%
Published Feb 24, 20251y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Feb 24, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
42.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-908

Affected Products 1

VendorProductVersionRange
phusionpassenger*≥6.0.21  –  <6.0.26

References 5

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

Remediation

  • github.com https://github.com/phusion/passenger/commit/bb15591646687064ab2d578d5f9660b2a4168017
    Patch
  • github.com https://github.com/phusion/passenger/compare/release-6.0.25...release-6.0.26
    Patch
  • github.com https://github.com/phusion/passenger/releases/tag/release-6.0.26
    Patch