Added 2 more refs + 1 note

Author: jasnow

gems/json/CVE-2026-71847.yml

@@ -82,8 +82,11 @@ related:
     - https://rubygems.org/gems/json/versions/2.21.2
     - https://github.com/ruby/json/blob/master/CHANGES.md#2026-07-31-2212
     - https://github.com/ruby/json/releases/tag/v2.21.2
+    - https://advisories.gitlab.com/gem/json/CVE-2026-71847
+    - https://osv.dev/vulnerability/GHSA-9hj4-r449-hfvc
     - https://github.com/ruby/json/security/advisories/GHSA-9hj4-r449-hfvc
     - https://github.com/advisories/GHSA-9hj4-r449-hfvc
 notes: |
   - "Low" severity in global GHSA URL.
   - cvss_v4 from nvd.nist.gov URL.
+  - Watch for Ruby's HackerOne #3867755.