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Query-parameter injection in AshAdmin row-action links via unencoded string primary keys

Type: advisorySources: OSV

Improper Encoding or Escaping of Output vulnerability in ash-project ash_admin lets an attacker who controls a record's string primary key rewrite the target of AshAdmin's row-action links. The Table, DataTable, and Show components built row-action URLs by raw string interpolation, splicing the primary key (and table, domain, and resource names) into the query string without URL-encoding. Ash resources routinely use user-settable string primary keys (slugs, emails). Because Plug.Conn.Query resolves duplicate parameters last-wins and primary_key is interpolated last, a stored key such as foo&action_type=destroy injects parameters that override the link, so an admin clicking edit is sent to a destroy form or an arbitrary resource; a # truncates the query into a fragment. The fix builds every link with URI.encode_query/1, encoding all interpolated values. This issue affects ash_admin: from 0.3.0-rc.0 before 1.3.1.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-82681
Confirmed fixed CVEs
Not specified
Updated in this feed
6 Nov 2026, 02:24 UTC · Revision 1

Source evidence

Query-parameter injection in AshAdmin row-action links via unencoded string primary keys

core-osv · Original source

Published 31 Aug 2026, 02:26 UTC

Improper Encoding or Escaping of Output vulnerability in ash-project ash_admin lets an attacker who controls a record's string primary key rewrite the target of AshAdmin's row-action links. The Table, DataTable, and Show components built row-action URLs by raw string interpolation, splicing the primary key (and table, domain, and resource names) into the query string without URL-encoding. Ash resources routinely use user-settable string primary keys (slugs, emails). Because Plug.Conn.Query resolves duplicate parameters last-wins and primary_key is interpolated last, a stored key such as foo&action_type=destroy injects parameters that override the link, so an admin clicking edit is sent to a destroy form or an arbitrary resource; a # truncates the query into a fragment. The fix builds every link with URI.encode_query/1, encoding all interpolated values. This issue affects ash_admin: from 0.3.0-rc.0 before 1.3.1.

osv:CVE-2026-82681
Complete source record
{
  "id": "082ddbd7b9577b62509b48a6ffd7f23a48e1d941e183a32501b155039a2c8dcf",
  "url": "https://osv.dev/vulnerability/CVE-2026-82681",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Query-parameter injection in AshAdmin row-action links via unencoded string primary keys",
    "summary": "Improper Encoding or Escaping of Output vulnerability in ash-project ash_admin lets an attacker who controls a record's string primary key rewrite the target of AshAdmin's row-action links. The Table, DataTable, and Show components built row-action URLs by raw string interpolation, splicing the primary key (and table, domain, and resource names) into the query string without URL-encoding. Ash resources routinely use user-settable string primary keys (slugs, emails). Because Plug.Conn.Query resolves duplicate parameters last-wins and primary_key is interpolated last, a stored key such as foo&action_type=destroy injects parameters that override the link, so an admin clicking edit is sent to a destroy form or an arbitrary resource; a # truncates the query into a fragment. The fix builds every link with URI.encode_query/1, encoding all interpolated values. This issue affects ash_admin: from 0.3.0-rc.0 before 1.3.1.",
    "evidence": "osv:CVE-2026-82681",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-82681",
      "aliases": [
        "CVE-2026-82681",
        "EEF-CVE-2026-82681",
        "GHSA-j89q-xjrh-c26p"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ash-project/ash_admin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b214535f0cc012e36ca621e643bf8f7b133ba354"
                },
                {
                  "fixed": "8e8ef91e8ba07498053887c6212f8b0f08178df6"
                },
                {
                  "introduced": "6489cad6e1c2991cb3570474fae1cbe48309c40b"
                },
                {
                  "fixed": "91da87c1c23cd6199ba1b0a1c8849a4c605130cc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "b214535f0cc012e36ca621e643bf8f7b133ba354"
                      },
                      {
                        "fixed": "8e8ef91e8ba07498053887c6212f8b0f08178df6"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.3.0-rc.0"
                      },
                      {
                        "fixed": "1.3.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8e8ef91e8ba07498053887c6212f8b0f08178df6"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.3.0",
            "v1.2.0",
            "v1.1.0",
            "v0.14.0",
            "v0.13.26",
            "v0.13.25",
            "v0.13.24",
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            "v0.13.21",
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            "v0.13.14",
            "v0.13.13",
            "v0.13.12",
            "v0.13.11",
            "v0.13.10",
            "v0.13.9",
            "v0.13.8",
            "v0.13.7",
            "v0.13.6",
            "v0.13.5",
            "v0.13.4",
            "v0.13.3",
            "v0.13.2",
            "v0.13.0",
            "v0.12.6",
            "v0.12.5",
            "v0.12.4",
            "v0.12.3",
            "v0.12.2",
            "v0.12.1",
            "v0.12.0",
            "v0.11.11",
            "v0.11.10",
            "v0.11.9",
            "v0.11.8",
            "v0.11.7",
            "v0.11.6",
            "v0.11.4",
            "v0.11.3",
            "v0.11.2",
            "v0.11.1",
            "v0.10.10",
            "v0.10.10-rc.1",
            "v0.10.10-rc.0",
            "v0.10.9",
            "v0.10.8",
            "v0.10.7",
            "v0.10.6",
            "v0.10.5",
            "v0.10.4",
            "v0.10.3",
            "v0.10.2",
            "v0.10.1",
            "v0.10.0",
            "v0.9.8",
            "v0.9.7",
            "v0.9.6",
            "v0.9.5",
            "v0.9.4",
            "v0.9.2",
            "v0.9.1",
            "v0.9.0",
            "v0.8.2",
            "v0.8.1",
            "v0.8.0",
            "v0.7.1",
            "v0.7.0",
            "v0.6.2",
            "v0.6.1",
            "v0.6.0-rc.2",
            "v0.6.0-rc.1",
            "v0.6.0-rc.0",
            "v0.5.2",
            "v0.5.1-rc.0",
            "v0.5.0",
            "v0.4.5-rc.0",
            "v0.4.4",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.0-rc.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82681.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.298759808Z",
      "provider": "osv",
      "references": [
        "https://cna.erlef.org/cves/CVE-2026-82681.html",
        "https://github.com",
        "https://osv.dev/vulnerability/EEF-CVE-2026-82681",
        "https://repo.hex.pm",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82681.json",
        "https://github.com/ash-project/ash_admin/security/advisories/GHSA-j89q-xjrh-c26p",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-82681",
        "https://github.com/ash-project/ash_admin/commit/8e8ef91e8ba07498053887c6212f8b0f08178df6",
        "https://github.com/ash-project/ash_admin"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-116"
        ],
        "cna_assigner": "EEF",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82681.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-82681",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514255,
  "published_at": "2026-08-31T02:26:05.357+00:00"
}