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New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to 1.0.0-rc.16, repeated PUT /api/user/self requests that update language or sidebar_modules can race relay billing because controller/user.go calls User.Update and updateUserCache performs a full RedisHSetObj write to user:.Quota, overwriting concurrent HINCRBY deductions and allowing an authenticated user to keep cached quota artificially high. This issue is fixed in version 1.0.0-rc.16.
Read the publisher's advisoryNew API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to 1.0.0-rc.16, repeated PUT /api/user/self requests that update language or sidebar_modules can race relay billing because controller/user.go calls User.Update and updateUserCache performs a full RedisHSetObj write to user:.Quota, overwriting concurrent HINCRBY deductions and allowing an authenticated user to keep cached quota artificially high. This issue is fixed in version 1.0.0-rc.16.
Read the publisher's advisoryNew API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to 1.0.0-rc.16, repeated PUT /api/user/self requests that update language or sidebar_modules can race relay billing because controller/user.go calls User.Update and updateUserCache performs a full RedisHSetObj write to user:.Quota, overwriting concurrent HINCRBY deductions and allowing an authenticated user to keep cached quota artificially high. This issue is fixed in version 1.0.0-rc.16.
Read the publisher's advisory### Summary Authenticated users can repeatedly call PUT /api/user/self with language or sidebar_modules while relay requests are consuming quota. The settings path reads a full User snapshot and writes it back through User.Update(), which refreshes Redis with RedisHSetObj and overwrites the Quota field. This can erase concurrent HINCRBY quota deductions and keep cached balance artificially high, allowing calls far beyond the paid quota. ### Impact A low-privileged authenticated user may bypass quota enforcement and cause financial loss to operators. Authentication and pre-consumption use cached quota, while DB/log usage can continue increasing. ### Affected Components - controller/user.go: UpdateSelf language/sidebar_modules branches - model/user.go: User.Update / UpdateWithTx full snapshot update - model/user_cache.go: updateUserCache RedisHSetObj full hash write - model/user.go: GetUserQuota reads Redis cache first ### Root Cause Normal billing uses Redis HINCRBY on user:<id>.Quota, while settings updates use a stale full user snapshot to HSET the entire cache hash, including Quota. These two writers race on the same Redis field. ### Patches This issue is fixed in v1.0.0-rc.16. The fix makes user setting updates field-scoped, prevents stale user snapshots from overwriting accounting fields, and keeps generic user cache refreshes from modifying Quota. Quota cache updates are reserved for atomic quota delta paths or explicit quota synchronization paths. ### Workarounds If upgrading immediately is not possible, operators should temporarily restrict or rate-limit PUT /api/user/self and avoid allowing frequent user setting updates while Redis-backed quota cache is enabled. This is only a mitigation; upgrading is recommended. ### Remediation Upgrade to v1.0.0-rc.16 or later. Deployments with Redis enabled should restart application instances after upgrading so stale in-process code paths are removed.
Read the publisher's advisoryNew API: Redis user quota cache overwrite via PUT /api/user/self allows quota bypass in github.com/QuantumNous/new-api
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Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "QuantumNous",
"product": "new-api",
"versions": [
{
"version": "< 1.0.0-rc.16",
"status": "affected"
}
]
}Original source record · Cite this exact observation · Complete original publisher JSON
EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.
datePublished: Aug 17, 2026, 4:13:37 PM
dateUpdated: Aug 18, 2026, 2:47:21 PM
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON
NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Deferred
Weakness classifications: CWE-362
published: 2026-08-17T16:17:22.427
lastModified: 2026-09-18T20:09:01.757
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON
Go
SEMVER · introduced 0 → fixed 1.0.0-rc.16
Original source record · Cite this exact observation · Complete original publisher JSON
Go
SEMVER · introduced 0 → fixed 1.0.0-rc.16
Original source record · Cite this exact observation · Complete original publisher JSON