From 5c1cf341128e1ef4b45b3a5d8cc3263e05eb15b1 Mon Sep 17 00:00:00 2001
From: Craig Gurnik <720008+cgurnik@users.noreply.github.com>
Date: Tue, 7 Jul 2026 15:50:33 -0400
Subject: [PATCH] Improve GHSA-8cjm-8mp7-r2xf

---
 .../GHSA-8cjm-8mp7-r2xf.json                  | 48 ++++++++++++++++---
 1 file changed, 42 insertions(+), 6 deletions(-)

diff --git a/advisories/unreviewed/2026/06/GHSA-8cjm-8mp7-r2xf/GHSA-8cjm-8mp7-r2xf.json b/advisories/unreviewed/2026/06/GHSA-8cjm-8mp7-r2xf/GHSA-8cjm-8mp7-r2xf.json
index 18ad879fb9e45..23f31da141df0 100644
--- a/advisories/unreviewed/2026/06/GHSA-8cjm-8mp7-r2xf/GHSA-8cjm-8mp7-r2xf.json
+++ b/advisories/unreviewed/2026/06/GHSA-8cjm-8mp7-r2xf/GHSA-8cjm-8mp7-r2xf.json
@@ -1,23 +1,59 @@
 {
   "schema_version": "1.4.0",
   "id": "GHSA-8cjm-8mp7-r2xf",
-  "modified": "2026-06-03T15:30:43Z",
+  "modified": "2026-06-03T15:30:54Z",
   "published": "2026-06-03T15:30:43Z",
   "aliases": [
     "CVE-2026-8404"
   ],
+  "summary": "Potential exposure of private data via case-sensitive Cache-Control directives in UpdateCacheMiddleware",
   "details": "An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.middleware.cache.UpdateCacheMiddleware` in Django does not match `Cache-Control` response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their `Cache-Control` directives used uppercase or mixed-case values.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Ahmed Badawe for reporting this issue.",
   "severity": [
     {
-      "type": "CVSS_V3",
-      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N"
+      "type": "CVSS_V4",
+      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "PyPI",
+        "name": "Django"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "5.2"
+            },
+            {
+              "fixed": "5.2.15"
+            }
+          ]
+        }
+      ]
     },
     {
-      "type": "CVSS_V4",
-      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
+      "package": {
+        "ecosystem": "PyPI",
+        "name": "Django"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "6.0"
+            },
+            {
+              "fixed": "6.0.6"
+            }
+          ]
+        }
+      ]
     }
   ],
-  "affected": [],
   "references": [
     {
       "type": "ADVISORY",