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.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-26803.json"
[
{
"id": "CVE-2025-26803-5dbd898d",
"source": "https://github.com/phusion/passenger/commit/bb15591646687064ab2d578d5f9660b2a4168017",
"digest": {
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]
},
"signature_version": "v1",
"deprecated": false,
"target": {
"file": "test/cxx/ServerKit/HttpServerTest.cpp"
},
"signature_type": "Line"
},
{
"id": "CVE-2025-26803-8bc64ebc",
"source": "https://github.com/phusion/passenger/commit/bb15591646687064ab2d578d5f9660b2a4168017",
"digest": {
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"signature_version": "v1",
"deprecated": false,
"target": {
"file": "src/cxx_supportlib/ServerKit/HttpHeaderParser.h"
},
"signature_type": "Line"
}
]