Missing server-side authorization in Eclipse Mnestix Browser admin server actions allows unauthenticated configuration tampering

published 2026-11-03 5 d ago modified 2026-11-03 5 d ago also EUVD-2026-115729

cvss: 8.8; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

In Eclipse Mnestix Browser versions 1.2.0 up until but excluding 2.3.0 it was possible for an unauthenticated attacker to perform actions that are only allowed to be executed by an authorized Mnestix user, like changing the Infrastructure settings or calling the connected and authenticated Mnestix AAS Generator backend.

Patch / fix

fixed in 1

Eclipse Foundation Eclipse Mnestix 2.3.0

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 5 d ago (2026-11-03)

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
CNA	4.0	8.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Eclipse Foundation Eclipse Mnestix

Classification

Weakness

CWE-862 Missing Authorization
CWE-602 Client-Side Enforcement of Server-Side Security

References

Sources

CVE List CVE-2026-89293
NVD CVE-2026-89293

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Summary