Apply suggestion from @Eclips4

Unfortunately, too old sphinx

Author: Eclips4

Misc/NEWS.d/next/Security/2026-07-31-16-20-17.gh-issue-155694.SsxlKG.rst

@@ -1,4 +1,4 @@
-Fix :cve:`2026-15806` by scoping :class:`~urllib.request.HTTPPasswordMgr`
+Fix `CVE-2026-15806 <https://www.cve.org/CVERecord?id=CVE-2026-15806>`_ by scoping :class:`~urllib.request.HTTPPasswordMgr`
 credentials to the URL scheme, preventing credentials stored for an HTTPS
 URL from being used for a matching HTTP URL, while URIs without a scheme
 continue to match any scheme.