diff --git a/advisories/unreviewed/2026/09/GHSA-f27v-pv5m-c5g6/GHSA-f27v-pv5m-c5g6.json b/advisories/unreviewed/2026/09/GHSA-f27v-pv5m-c5g6/GHSA-f27v-pv5m-c5g6.json
index e5ee5a68b1e3..19fe99dbd5c4 100644
--- a/advisories/unreviewed/2026/09/GHSA-f27v-pv5m-c5g6/GHSA-f27v-pv5m-c5g6.json
+++ b/advisories/unreviewed/2026/09/GHSA-f27v-pv5m-c5g6/GHSA-f27v-pv5m-c5g6.json
@@ -1,23 +1,43 @@
 {
   "schema_version": "1.4.0",
   "id": "GHSA-f27v-pv5m-c5g6",
-  "modified": "2026-09-18T18:31:44Z",
+  "modified": "2026-09-18T18:32:00Z",
   "published": "2026-09-18T18:31:44Z",
   "aliases": [
     "CVE-2026-93750"
   ],
+  "summary": "http-cache-semantics improperly checks Vary header wildcards",
   "details": "http-cache-semantics through 4.2.0 contains a cache validation vulnerability in the _varyMatches() function that fails to properly validate Vary header wildcards due to byte-for-byte string comparison. Attackers can request URLs previously fetched by other clients to receive cached responses intended for different users, disclosing sensitive information across clients.",
   "severity": [
-    {
-      "type": "CVSS_V3",
-      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
-    },
     {
       "type": "CVSS_V4",
-      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/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"
+      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "npm",
+        "name": "http-cache-semantics"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "4.3.0"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "<= 4.2.0"
+      }
     }
   ],
-  "affected": [],
   "references": [
     {
       "type": "ADVISORY",