medium6.5
CVE-2026-91987
atomic-agents-stack before 1.1.0 contains a cost-guardrail bypass in the _estimate_batch_cost function that returns zero cost for unknown models not in the pri…
Impact
atomic-agents-stack before 1.1.0 contains a cost-guardrail bypass in the _estimate_batch_cost function that returns zero cost for unknown models not in the pricing table. Attackers can configure deployments with unknown model identifiers to bypass daily cost caps and exceed budget limits in parallel batch operations.
Affected products
| Product | Affected versions |
|---|---|
| Atomic-Agents-Stack | before 1.1.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.