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CVE-2026-89292VulnerabilityPublished

In Eclipse Mnestix Browser versions 1.6.0 up until but excluding 2.3.0 it was possible for an unauthenticated attacker

Source GCVE Database

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Authoritative record:CVE-2026-89292· Critical 9.2

Not known to be exploited · CVSS 9.2 Critical : upgrade to 2.3.0 as a priority.

Data as of 3 Nov 2026, 13:14 UTC

CVSS 4.0 base score
9.2Critical
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (eclipse)CVSS 4.09.2
Patch
Available – fixed in 2.3.0
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

Upgrade Eclipse Mnestix to 2.3.0.

Affected software

ProductAffectedFixed in
Eclipse FoundationEclipse MnestixAffected
  • >=1.6.0 <2.3.0
Fixed in
  • 2.3.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

If you cannot patch yet, restrict access to vulnerable versions and monitor for vendor updates.

Description

Eclipse Mnestix Browser versions from 1.6.0 up to but not including 2.3.0 contain a vulnerability that allows unauthenticated attackers to exfiltrate the MNESTIX_BACKEND_API_KEY for all configured Infrastructures. This vulnerability is identified as CVE-2026-89292 and has a critical severity rating with a CVSS score of 9.2.

References

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