{"id":"CVE-2026-82681","aliases":["EEF-CVE-2026-82681","EUVD-2026-68327","GHSA-j89q-xjrh-c26p"],"status":"published","title":"Query-parameter injection in AshAdmin row-action links via unencoded string primary keys","description":"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.\n\nThe 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\u0026action_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.\n\nThis issue affects ash_admin: from 0.3.0-rc.0 before 1.3.1.","severity":{"version":"4.0","score":2,"vector":"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","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00466,"percentile":0.40822,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-116"],"published":"2026-08-31T02:26:05Z","modified":"2026-10-28T02:30:46Z","fixes":[{"ecosystem":"Hex","package":"ash_admin","fixed_in":["1.3.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Hex","package":"ash_admin","ranges":[{"type":"SEMVER","events":[{"introduced":"0.3.0-rc.0"},{"fixed":"1.3.1"}]}],"versions":["0.10.0","0.10.1","0.10.10","0.10.10-rc.0","0.10.10-rc.1","0.10.11","0.10.12","0.10.2","0.10.3","0.10.4","0.10.5","0.10.6","0.10.7","0.10.8","0.10.9","0.11.0","0.11.1","0.11.10","0.11.11","0.11.2","0.11.3","0.11.4","0.11.5","0.11.6","0.11.7","0.11.8","0.11.9","0.12.0","0.12.1","0.12.2","0.12.3","0.12.4","0.12.5","0.12.6","0.13.0","0.13.1","0.13.10","0.13.11","0.13.12","0.13.13","0.13.14","0.13.15","0.13.16","0.13.17","0.13.18","0.13.19","0.13.2","0.13.20","0.13.21","0.13.22","0.13.23","0.13.24","0.13.25","0.13.26","0.13.3","0.13.4","0.13.5","0.13.6","0.13.7","0.13.8","0.13.9","0.14.0","0.3.0-rc.0","0.4.0","0.4.2","0.4.4","0.4.5-rc.0","0.5.0","0.5.1-rc.0","0.5.2","0.6.0-rc.0","0.6.0-rc.1","0.6.0-rc.2","0.6.1","0.6.2","0.7.0","0.7.1","0.8.0","0.8.1","0.9.0","0.9.1","0.9.2","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","1.0.0-rc.0","1.1.0","1.2.0","1.3.0"]}],"products":[{"vendor":"ash-project","product":"ash_admin"}],"references":[{"url":"https://github.com/ash-project/ash_admin/security/advisories/GHSA-j89q-xjrh-c26p","tags":["vendor-advisory","related","exploit","advisory"]},{"url":"https://cna.erlef.org/cves/CVE-2026-82681.html","tags":["related","web"]},{"url":"https://osv.dev/vulnerability/EEF-CVE-2026-82681","tags":["related","web"]},{"url":"https://github.com/ash-project/ash_admin/commit/8e8ef91e8ba07498053887c6212f8b0f08178df6","tags":["patch","fix"]},{"url":"https://github.com","tags":["web"]},{"url":"https://repo.hex.pm","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82681.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82681","tags":["advisory"]},{"url":"https://github.com/ash-project/ash_admin","tags":["package"]},{"url":"https://hex.pm/packages/ash_admin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-82681","title":"Query-parameter injection in AshAdmin row-action links via unencoded string primary keys","description":"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.\n\nThe 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\u0026action_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.\n\nThis issue affects ash_admin: from 0.3.0-rc.0 before 1.3.1.","status":"published","published":"2026-08-31T02:26:05.357Z","modified":"2026-08-31T16:01:32.019Z","cvss":[{"version":"4.0","score":2,"vector":"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","level":"low","assessor":"cna"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T13:40:35.004553Z"}],"euvd":[{"id":"EUVD-2026-68327","description":"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.\n\nThe 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\u0026action_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.\n\nThis issue affects ash_admin: from 0.3.0-rc.0 before 1.3.1.","status":"published","published":"2026-08-31T02:26:05Z","modified":"2026-08-31T16:01:32Z","cvss":[{"version":"4.0","score":2,"vector":"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","level":"low"}],"updated_at":"2026-11-02T18:01:20.704822Z"}],"nvd":[{"id":"CVE-2026-82681","description":"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.\n\nThe 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\u0026action_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.\n\nThis issue affects ash_admin: from 0.3.0-rc.0 before 1.3.1.","status":"published","published":"2026-08-31T03:16:43.643Z","modified":"2026-09-01T21:15:00.147Z","cvss":[{"version":"4.0","score":2,"vector":"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/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","level":"low","assessor":"secondary"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:12:42.691315Z"}],"osv":[{"id":"CVE-2026-82681","title":"Query-parameter injection in AshAdmin row-action links via unencoded string primary keys","description":"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.\n\nThe 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\u0026action_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.\n\nThis issue affects ash_admin: from 0.3.0-rc.0 before 1.3.1.","status":"published","published":"2026-08-31T02:26:05.357Z","modified":"2026-10-28T02:30:46.298759808Z","cvss":[{"version":"4.0","score":2,"vector":"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","level":"low"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T15:45:18.482949Z"},{"id":"EEF-CVE-2026-82681","title":"Query-parameter injection in AshAdmin row-action links via unencoded string primary keys","description":"## Summary\n\nImproper 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.\n\nThe `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\u0026action_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.\n\nThis issue affects ash_admin: from 0.3.0-rc.0 before 1.3.1.","status":"published","published":"2026-08-31T02:26:05.357Z","modified":"2026-09-08T03:45:09.697531291Z","cvss":[{"version":"4.0","score":2,"vector":"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","level":"low"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T15:46:33.520522Z"}]}}