CVE-2026-71479

New API: Integer overflow in quota billing yields negative charges (self-crediting)

Published Aug 17, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to 1.0.0-rc.18, user-controlled image n, video seconds and duration, max_tokens, max_completion_tokens, maxOutputTokens, audio duration, and billing-expression quantities can overflow conversions in common/quota_math.go and related settlement paths, allowing a low-privileged account with positive balance or an active subscription to turn a negative charge into account credit and potentially drain upstream funds. This issue is fixed in version 1.0.0-rc.18.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-8r8v-xf7q-rcpr New API: Integer overflow in quota billing yields negative charges (self-crediting)
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Quantumnous
Quantumnous new-api
Vendors & Products Quantumnous
Quantumnous new-api
Type Values Removed Values Added
Description New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to 1.0.0-rc.18, user-controlled image n, video seconds and duration, max_tokens, max_completion_tokens, maxOutputTokens, audio duration, and billing-expression quantities can overflow conversions in common/quota_math.go and related settlement paths, allowing a low-privileged account with positive balance or an active subscription to turn a negative charge into account credit and potentially drain upstream funds. This issue is fixed in version 1.0.0-rc.18.
Title New API: Integer overflow in quota billing yields negative charges (self-crediting)
Weaknesses CWE-190
CWE-682
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 17, 2026, 6:59 PM
Reserved
Aug 6, 2026, 7:56 PM
Status
Deferred
Published
Aug 17, 2026, 4:17 PM
Modified
Oct 24, 2026, 3:10 PM