diff --git a/gems/passenger/CVE-2025-26803.yml b/gems/passenger/CVE-2025-26803.yml
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+++ b/gems/passenger/CVE-2025-26803.yml
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+---
+gem: passenger
+cve: 2025-26803
+ghsa: 2cj2-qqxj-5m3r
+url: https://github.com/advisories/GHSA-2cj2-qqxj-5m3r
+title: Phusion Passenger denial of service
+date: 2025-02-24
+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_v3: 5.3
+unaffected_versions:
+  - "< 6.0.21"
+patched_versions:
+  - ">= 6.0.26"
+related:
+  url:
+    - https://nvd.nist.gov/vuln/detail/CVE-2025-26803
+    - https://blog.phusion.nl/2025/02/19/passenger-6-0-26
+    - 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://github.com/phusion/passenger/commit/bb15591646687064ab2d578d5f9660b2a4168017
+    - https://www.phusionpassenger.com/support
+    - https://github.com/advisories/GHSA-2cj2-qqxj-5m3r