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CVE-2026-89292— Unauthenticated SSRF with MNESTIX_BACKEND_API_KEY disclosure in Eclipse Mnestix Browser server actions for configured Infrastructures

Quick assessment

Affected
Eclipse Foundation Eclipse Mnestix
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Eclipse Mnestix Browser 1.6.0 至 2.3.0（不含 2.3.0）版本中，未经身份验证的攻击者能够窃取所有已配置基础设施的 MNESTIX_BACKEND_API_KEY。

CVSS 9.2 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-89292

Vulnerability Information
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Vulnerability Title
Unauthenticated SSRF with MNESTIX_BACKEND_API_KEY disclosure in Eclipse Mnestix Browser server actions for configured Infrastructures
Source: CVE Program / CVE List V5
Vulnerability Description
In Eclipse Mnestix Browser versions 1.6.0 up until but excluding 2.3.0 it was possible for an unauthenticated attacker to exfiltrate the MNESTIX_BACKEND_API_KEY for all configured Infrastructures.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eclipse Foundation Eclipse Mnestix 1.6.0 ~ 2.3.0 -

II. Public POCs for CVE-2026-89292

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III. Intelligence Information for CVE-2026-89292

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Other References for CVE-2026-89292 (2)

Same Patch Batch · Eclipse Foundation · 2026-11-03 · 5 CVEs total

CVE-2026-89293 8.8 HIGH Missing server-side authorization in Eclipse Mnestix Browser admin server actions allows u
CVE-2026-115231 8.5 HIGH User-mode module can post forged callback requests to another module's callback queue, run
CVE-2026-113421 7.3 HIGH ThreadX Modules invokes trace-full callbacks after module unload
CVE-2026-92610 Improper limitation of paths in py-aspect-model-loader

IV. Related Vulnerabilities

Same product: Eclipse Mnestix
Same vendor: Eclipse Foundation
Same weakness: CWE-918