Publish GHSA-27vg-33gh-4hwg

Author: advisory-database[bot]

advisories/github-reviewed/2026/03/GHSA-27vg-33gh-4hwg/GHSA-27vg-33gh-4hwg.json

@@ -0,0 +1,76 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-27vg-33gh-4hwg",
+  "modified": "2026-03-10T01:02:15Z",
+  "published": "2026-03-10T01:02:15Z",
+  "aliases": [
+    "CVE-2026-3089"
+  ],
+  "summary": "Actual Sync Server has an Authenticated Path Traversal",
+  "details": "# Description\n\nActual Sync Server allows authenticated users to upload files through `POST /sync/upload-user-file`. In versions prior to 26.3.0, improper validation of the user-controlled `x-actual-file-id` header means that traversal segments (`../`) can escape the intended directory and write files outside `userFiles`.\n\n## Mitigations\nThe vulnerability can be mitigated in prior versions by running the sync server in a filesystem sandbox.",
+  "severity": [
+    {
+      "type": "CVSS_V4",
+      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "npm",
+        "name": "@actual-app/sync-server"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "26.3.0"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "<= 26.2.0"
+      }
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/actualbudget/actual/security/advisories/GHSA-27vg-33gh-4hwg"
+    },
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3089"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/actualbudget/actual/pull/7067"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/actualbudget/actual/commit/18072e1d8b5281db43ded8b21433ee177bae9dfa"
+    },
+    {
+      "type": "WEB",
+      "url": "https://fluidattacks.com/advisories/fugue"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/actualbudget/actual"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-22"
+    ],
+    "severity": "MODERATE",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-03-10T01:02:15Z",
+    "nvd_published_at": "2026-03-09T14:16:10Z"
+  }
+}