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Fencer Intel
critical 9.8

CVE-2026-75329 json

The Netty configuration distribution service (port 8283) of super-diamond-server <= 1.3.3 has no authentication mechanism.

published 2mo ago modified 2mo ago also EUVD-2026-66803

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

The Netty configuration distribution service (port 8283) of super-diamond-server <= 1.3.3 has no authentication mechanism. Attackers can directly obtain the full configuration of any project (including database passwords, API keys, etc.) by sending a TCP request without any credential.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2mo ago

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • github.com https://github.com/fangtang7/CVE/blob/main/super-diamond/NETTY-NOAUTH.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.