CVE-2026-7399Network attack vector

Authenticated privilege abuse via user-controlled key

Published Apr 30, 2026 · Updated Apr 30, 2026

Authorization bypass in MeWare Software Development Inc. PDKS allows remote authenticated users to abuse privileges via a user-controlled key. TR-CERT does not disclose the affected endpoint, parameter, or failed authorization check. Low-privileged network access is required in versions from V16.20200313 before VMYR_3.5.2025117; the public record does not identify the protected actions or data exposed.

CVSS severity8.1
High
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in MeWare Software Development Inc. PDKS allows remote authenticated users to abuse privileges via a user-controlled key. TR-CERT does not disclose the affected endpoint, parameter, or failed authorization check. Low-privileged network access is required in versions from V16.20200313 before VMYR_3.5.2025117; the public record does not identify the protected actions or data exposed.

The record

CVE
CVE-2026-7399
Published
Apr 30, 2026
Updated
Apr 30, 2026
Vendor
MeWare Software Development Inc.
Product
PDKS
Classifications
CWE-639, CAPEC-122, T1068
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 30, 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=V16.20200313 <VMYR_3.5.2025117

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

MeWare Software Development Inc. · PDKSversion=V16.20200313 <VMYR_3.5.2025117

Published CVSS scores

8.1Computer Emergency Response Team of the Republic of TurkeyCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
CAPEC-122Privilege Abuse
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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