CVE-2026-66723Network attack vector

Unauthorized remote actions via unauthenticated proxy requests

Published Jul 29, 2026 · Updated Jul 29, 2026

Missing authorization in CERT Polska MWDB Core 2.2.0 through 2.18.0 allows remote attackers to issue proxied API requests. RemoteAPIResource accepts unauthenticated incoming requests and forwards them with the identity and permissions of the configured Remote Instance API key. Exploitation requires Remote Instances to be configured and grants the remote account's ability to read or alter data, without an availability impact.

CVSS severity7.0
High
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in CERT Polska MWDB Core 2.2.0 through 2.18.0 allows remote attackers to issue proxied API requests. RemoteAPIResource accepts unauthenticated incoming requests and forwards them with the identity and permissions of the configured Remote Instance API key. Exploitation requires Remote Instances to be configured and grants the remote account's ability to read or alter data, without an availability impact.

The record

CVE
CVE-2026-66723
Published
Jul 29, 2026
Updated
Jul 29, 2026
Vendor
CERT Polska
Product
MWDB Core
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 29, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 29, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.2.0 <2.19.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

CERT Polska · MWDB Coreversion=2.2.0 <2.19.0

Published CVSS scores

7.0CERT.PLCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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