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CVE-2026-62327

9Router 0.4.41 - Unauthenticated API Key Exposure via /api/usage/stats

Published: Jul 13, 2026Updated: Jul 14, 2026 Sources: CVE List NVDCWE-306
9.1CRITICAL
NVD MITRE
EPSS Score
0.4%
Top 70.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

9Router through version 0.4.41 contains an unauthenticated information disclosure vulnerability that allows remote attackers to retrieve plaintext API keys for all connected AI provider accounts by sending a single unauthenticated request to the /api/usage/stats endpoint. Attackers can exploit the missing authentication middleware on the Next.js API route to obtain full API key strings alongside token counts, cost breakdowns, and request metadata, enabling unauthorized use of connected AI provider accounts, billing fraud, and quota exhaustion.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-306CWE-522

Affected Products

decolua
commercialaka 9router
9RouterEmbedded
Networking Infrastructure / router-switch

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

4 techniques
Credential Access
Initial Access
View detailed technique mapping

References

https://github.com/decolua/9router/security/advisories/GHSA-vjc7-jrh9-9j86
github.com
https://www.vulncheck.com/advisories/9router-unauthenticated-api-key-exposure-via-api-usage-stats
vulncheck.com

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