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CVE-2026-82681 ash-project CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-31T03:16:43.643Z and has not been modified since then. This Improper Encoding or Escaping of Output vulnerability in 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 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. Users of ash_admin from version 0.3.0-rc.0 before 1.3.1 should verify their installations and monitor for potential exploitation attempts. This includes administrators, security teams, and operators who manage or interact with systems using ash_admin. They should review system configurations, verify affected scope, and ensure vendor guidance is followed.

Vendor
ash-project
Product
ash_admin
CVSS
LOW 2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-31
Original CVE updated
2026-08-31
Advisory published
2026-08-31
Advisory updated
2026-08-31

Who should care

Users of ash_admin from version 0.3.0-rc.0 before 1.3.1 should verify their installations and monitor for potential exploitation attempts. This includes administrators, security teams, and operators who manage or interact with systems using ash_admin. They should review system configurations, verify affected scope, and ensure vendor guidance is followed.

Technical summary

The ash_admin component has an Improper Encoding or Escaping of Output vulnerability. The Table, DataTable, and Show components built row-action URLs by raw string interpolation, splicing the primary key into the query string without URL-encoding. This issue allows an attacker who controls a record's string primary key to rewrite the target of AshAdmin's row-action links. The fix builds every link with URI.encode_query/1, encoding all interpolated values. This vulnerability affects ash_admin from version 0.3.0-rc.0 before 1.3.1.

Defensive priority

Low CVSS score of 2 indicates limited impact; focus on verification and monitoring.

Recommended defensive actions

  • Verify inventory of ash_admin installations
  • Monitor for potential exploitation attempts
  • Review system configurations for potential vulnerabilities
  • Check relevant monitoring, detection, and logs for exposed assets
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

Evidence is limited; verify affected scope and vendor remediation status. Monitor for potential exploitation attempts. Defenders should verify system configurations, review logs for suspicious activity, and ensure ash_admin is updated to version 1.3.1 or later. Limited public information is available; further verification is necessary.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-82681 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-82681

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-82681 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-82681

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://cna.erlef.org/cves/CVE-2026-82681.html

    6b3ad84c-e1a6-4bf7-a703-f496b71e49db

  • Source reference

    Unverified legacy reference

    URL: https://github.com/ash-project/ash_admin/commit/8e8ef91e8ba07498053887c6212f8b0f08178df6

    6b3ad84c-e1a6-4bf7-a703-f496b71e49db

  • Source reference

    Unverified legacy reference

    URL: https://github.com/ash-project/ash_admin/security/advisories/GHSA-j89q-xjrh-c26p

    6b3ad84c-e1a6-4bf7-a703-f496b71e49db

  • Source reference

    Unverified legacy reference

    URL: https://osv.dev/vulnerability/EEF-CVE-2026-82681

    6b3ad84c-e1a6-4bf7-a703-f496b71e49db

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.