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CVE-2026-91987

🗓️ 15 Sep 2026 15:18:29Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

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...

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Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-91987 atomic-agents-stack before 1.1.0 Cost Guardrail Bypass via Unknown Model
15 Sep 202615:18
cvelist
euvd
EUVD
EUVD-2026-78658
15 Sep 202615:18
euvd
nvd
NVD
CVE-2026-91987
15 Sep 202616:17
nvd
Vulners
Node
[
  {
    "vendor": "dep0we",
    "product": "atomic-agents-stack",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:pypi/atomic-agents-stack",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "1.1.0"
      },
      {
        "version": "1.1.0",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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15 Sep 2026 16:17Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
CVSS 47.1
3