CVE-2026-91987

atomic-agents-stack before 1.1.0 contains a cost-guardrail bypass in the estimatebatchcost 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...

CVE-2026-91987

atomic-agents-stack before 1.1.0 is affected by a cost-guardrail bypass in the _estimate_batch_cost function (agent.py). The function looks up per-model output price via PRICING.get(model, {}), which returns 0.0 for any model not in the hardcoded pricing table. When the reservation is ≤ 0, _check...

CVE-2026-91987 atomic-agents-stack before 1.1.0 Cost Guardrail Bypass via Unknown Model

atomic-agents-stack before 1.1.0 contains a cost-guardrail bypass in the estimatebatchcost 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...

CVE-2026-91987 atomic-agents-stack before 1.1.0 Cost Guardrail Bypass via Unknown Model

atomic-agents-stack before 1.1.0 contains a cost-guardrail bypass in the estimatebatchcost 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...

EUVD-2026-78658

atomic-agents-stack before 1.1.0 contains a cost-guardrail bypass in the estimatebatchcost 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...

CVE-2026-91987: Allocation of Resources Without Limits or Throttling

atomic-agents-stack before 1.1.0 contains a cost-guardrail bypass in the estimatebatchcost 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...

atomic-agents-stack: Parallel helper/delegate batch reserves $0 for models absent from the pricing table, bypassing the cost-cap fan-out guard

estimatebatchcost atomicagents/agent.py looks up the per-model output price with PRICING.getmodel, , returning 0.0 for any model not in the hardcoded pricing table. checkbatchreservation then early-returns when the reservation is 0 and that an over-cap unknown-model batch raises...

PT-2026-92101

Name of the Vulnerable Software and Affected Versions atomic-agents-stack versions prior to 1.1.0 Description A cost-guardrail bypass exists in the estimate batch cost function within atomic agents/agent.py. The function uses PRICING.getmodel, to look up per-model output prices, which returns a...