CVE-2026-62328

HIGH

9Router 0.4.41 - Unauthenticated Information Disclosure via API Usage Endpoints

Title source: cna
STIX 2.1

Description

9Router through version 0.4.41 contain an unauthenticated information disclosure vulnerability that allows remote attackers to access sensitive user data by sending requests to unprotected API endpoints. Attackers can enumerate paginated request logs and retrieve complete AI conversation histories including system prompts, user messages, assistant responses, tool calls, and user email addresses by querying the request-logs and request-details API routes which lack authentication middleware.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-vjc7-jrh9-9j86)
https://github.com/decolua/9router/security/advisories/GHSA-vjc7-jrh9-9j86
Third Party Advisory third-party-advisory
VulnCheck Advisory: 9Router 0.4.41 - Unauthenticated Information Disclosure via API Usage Endpoints
https://www.vulncheck.com/advisories/9router-unauthenticated-information-disclosure-via-api-usage-endpoints

Scores

CVSS v3 7.5
EPSS 0.0037
EPSS Percentile 29.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-359 CWE-862
Status published
Products (1)
decolua/9Router < 0.4.41
Published Jul 13, 2026
Tracked Since Jul 14, 2026