From 169a0633c003757a9e4eb0acada9122a09deec59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcel=20St=C3=B6r?= <marcelstoer@users.noreply.github.com>
Date: Wed, 17 Jun 2026 08:14:07 +0200
Subject: [PATCH] Improve GHSA-293q-567p-wmwq

---
 .../GHSA-293q-567p-wmwq.json                  | 25 +++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/advisories/unreviewed/2026/06/GHSA-293q-567p-wmwq/GHSA-293q-567p-wmwq.json b/advisories/unreviewed/2026/06/GHSA-293q-567p-wmwq/GHSA-293q-567p-wmwq.json
index bd34e0de11506..08e839bbb1a78 100644
--- a/advisories/unreviewed/2026/06/GHSA-293q-567p-wmwq/GHSA-293q-567p-wmwq.json
+++ b/advisories/unreviewed/2026/06/GHSA-293q-567p-wmwq/GHSA-293q-567p-wmwq.json
@@ -1,11 +1,12 @@
 {
   "schema_version": "1.4.0",
   "id": "GHSA-293q-567p-wmwq",
-  "modified": "2026-06-10T00:31:53Z",
+  "modified": "2026-06-10T00:32:00Z",
   "published": "2026-06-10T00:31:53Z",
   "aliases": [
     "CVE-2026-47838"
   ],
+  "summary": "Unauthorized User Impersonation when Using X.509 Client Certificates",
   "details": "SubjectDnX509PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user.\n\nAffected versions:\nSpring Security 5.7.0 through 5.7.24; 5.8.0 through 5.8.26; 6.3.0 through 6.3.17; 6.4.0 through 6.4.17; 6.5.0 through 6.5.10.",
   "severity": [
     {
@@ -13,7 +14,27 @@
       "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"
     }
   ],
-  "affected": [],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Maven",
+        "name": "org.springframework.security:spring-security-web"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "6.5.11"
+            }
+          ]
+        }
+      ]
+    }
+  ],
   "references": [
     {
       "type": "ADVISORY",