Answer in brief
CVE-2026-77956 records a High severity (CVSS 8.9) vulnerability in EEx template evaluation of prompt content in AshAi enables remote code execution. The current sources do not mark it as known exploited. The current feed maps ash-project/ash_ai (generic), ash-project/ash_ai (generic), ash-project/ash-project/ash_ai (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps ash-project/ash_ai (generic), ash-project/ash_ai (generic), ash-project/ash-project/ash_ai (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| ash-project/ash_aigeneric | >=4aab131d40a0bd5a8cf0b3c4eaaa59d49565f3d1 <e9948254b5659c1143b73dc2f59f457931e64514 | e9948254b5659c1143b73dc2f59f457931e64514 |
| ash-project/ash_aigeneric | >=0.1.0 <1.0.0 | 1.0.0 |
| ash-project/ash-project/ash_aigeneric | >=4aab131d40a0bd5a8cf0b3c4eaaa59d49565f3d1 <e9948254b5659c1143b73dc2f59f457931e64514 | e9948254b5659c1143b73dc2f59f457931e64514 |
Published upstream
Aug 31, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 31, 2026
Improper Control of Generation of Code (Code Injection) vulnerability in ash-project ash_ai allows a remote, unauthenticated client to execute arbitrary Elixir code. AshAi.Actions.Prompt evaluates prompt content through EEx.eval_string/2. The documented prompt: fn input, context -> ... end form lets the prompt content be built from action arguments, so when a prompt action's text incorporates request data, that attacker-controlled text is compiled and run as an EEx template (Elixir source). Content such as <%= System.cmd(...) %> therefore executes on the server before any model request is made, requiring no authentication beyond reaching a prompt action. The fix stops evaluating function-supplied prompt content as EEx; only statically configured templates are evaluated. This issue affects ash_ai: from 0.1.0 before 1.0.0.
Quoted source text, attributed separately from HOL analysis.