CVE-2026-82564 — Identity tool filter in AshAi accepts operator maps, allowing update or destroy of unidentified records

Description (CNA)

Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_ai allows a caller of an identity-configured tool to update or destroy records it never identified, including every row in the table. In AshAi.Tool.Execution, identity_filter/3 built the update/destroy filter directly from the raw tool arguments as [{key, Map.get(arguments, to_string(key))}] and passed it to Ash.Query.do_filter/2. A map value is parsed as a predicate expression rather than a literal, so a caller can send {"public_ref": {"not_eq": "<own-ref>"}} and, combined with Ash.Query.limit(1) and Ash.bulk_update!/Ash.bulk_destroy!, retarget the write at a record it never identified; an omitted key yields an IS NULL filter that matches an arbitrary row. The fix casts each identity value to the field type, rejecting non-scalar inputs. This issue affects ash_ai: from 0.6.0 before 1.0.0.

Affected (CNA)

Vendor / product	Versions
ash-project / ash_ai	affected 0.6.0 before 1.0.0
ash-project / ash_ai	affected bc2122f78fca6c11d8ec2b9ac53148ec17476460 before 87f616d5bfbf7af43346f0701ae17f853789a602

CWE

CWE-639

References

ADP enrichment

CISA-ADP

No English description supplied.

https://github.com/ash-project/ash_ai/security/advisories/GHSA-jg86-xh36-h5xc