Publish GHSA-gfhq-7499-f3f2

Author: advisory-database[bot]

advisories/github-reviewed/2026/03/GHSA-gfhq-7499-f3f2/GHSA-gfhq-7499-f3f2.json

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+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-gfhq-7499-f3f2",
+  "modified": "2026-03-27T15:37:10Z",
+  "published": "2026-03-27T15:37:10Z",
+  "aliases": [
+    "CVE-2026-29788"
+  ],
+  "summary": "TSPortal: Any user can forge self-deletion requests for any account",
+  "details": "### Summary\nConversion of empty strings to null allows disguising DPA reports as genuine self-deletion reports.\n\n### Details\nCreating a DPA report about another user and leaving the evidence field empty causes that report to look like the reported user self-requested deletion of their data. Ingenuine report is not distinguishable from a genuine one.\n\nThis can be prevented by disabling [convertEmptyStringsToNull](https://api.laravel.com/docs/12.x/Illuminate/Foundation/Configuration/Middleware.html#method_convertEmptyStringsToNull) in the middleware, or by validating `evidence` in Http/Controllers/DPAController::store() to not be empty.\n\n### PoC\nNew DPA report -> Select \"...someone who I suspect is under the age of 13\" for the \"The above username is...\" field -> Add nothing to the \"Evidence\" field -> Submit\n\n### Impact\nPotential unauthorized deletion of any arbitrary user's data both in the current system (TSPortal) and subsequent systems if actioned.",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
+    },
+    {
+      "type": "CVSS_V4",
+      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Packagist",
+        "name": "miraheze/ts-portal"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "30"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "<= 29"
+      }
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/miraheze/TSPortal/security/advisories/GHSA-gfhq-7499-f3f2"
+    },
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-29788"
+    },
+    {
+      "type": "WEB",
+      "url": "https://api.laravel.com/docs/12.x/Illuminate/Foundation/Configuration/Middleware.html#method_convertEmptyStringsToNull"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/miraheze/TSPortal"
+    },
+    {
+      "type": "WEB",
+      "url": "https://issue-tracker.miraheze.org/T15053"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-283",
+      "CWE-1287"
+    ],
+    "severity": "HIGH",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-03-27T15:37:10Z",
+    "nvd_published_at": "2026-03-06T21:16:15Z"
+  }
+}