CVE-2026-119598
Tenable Plugin
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AI Threat Summary
CVE-2026-119598 is a moderate vulnerability with a CVSS score of 4.3 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
Miaomiaowu before 0.9.3 contains an insecure direct object reference vulnerability in /api/user/proxy-provider-configs that allows authenticated users to read other users' configurations. Attackers can iterate the global auto-increment external_subscription_id parameter to disclose override scripts, filter rules, custom request headers and health-check URLs.
Attack Chain
Attacker scans for vulnerable versions using version banners or PoC scanners
Attacker triggers CVE-2026-119598 vulnerability with a crafted request or payload
Vulnerability exploited to perform unauthorized actions on the target system
Depending on vulnerability type, attacker achieves data access, service disruption, or code execution
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-119598 |
| CVSS Score | 4.3 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| Published | 2026-10-30 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/iluobei/miaomiaowu
- https://github.com/iluobei/miaomiaowu/blob/v0.9.2/internal/h…
- https://github.com/iluobei/miaomiaowu/blob/v0.9.2/internal/s…
- https://github.com/iluobei/miaomiaowu/commit/14ccf37ef82cff0…
- https://github.com/iluobei/miaomiaowu/issues/131
- https://github.com/iluobei/miaomiaowu/releases/tag/v0.9.3
- https://hackmd.io/@hieuPenguinnn/miaomiaowu-proxy-provider-c…
- https://www.vulncheck.com/advisories/miaomiaowu-before-0.9.3…