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CVE-2026-71479 is an integer overflow vulnerability in QuantumNous new-api, a large language model gateway and AI asset management system. In versions prior to 1.0.0-rc.18, multiple user-controlled billing and quota inputs, including image count, video timing values, token-related limits, audio duration, and billing-expression quantities, can overflow numeric conversions in quota calculation logic implemented in common/quota_math.go and related settlement paths. Because the affected code can mis-handle oversized values during charge computation, an attacker can cause a negative charge to be interpreted in a way that credits the account instead of debiting it. The flaw affects billing integrity rather than data confidentiality and is reachable through normal low-privilege usage of metered API functionality.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.