CVE-2026-59504Network attack vector

Unauthenticated ERP data access via client-side enforcement

Published Aug 13, 2026 · Updated Aug 13, 2026

Client-side security enforcement in Priority Portal Generator versions without Priwall v3 allows remote attackers to read and alter ERP data. The CNA has not disclosed which client-side control the server trusts or which server-side check is absent. Exploitation requires network access to an exposed portal but no account or user interaction, and the consequence is limited to confidentiality and integrity.

CVSS severity9.1
Critical
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Client-side security enforcement in Priority Portal Generator versions without Priwall v3 allows remote attackers to read and alter ERP data. The CNA has not disclosed which client-side control the server trusts or which server-side check is absent. Exploitation requires network access to an exposed portal but no account or user interaction, and the consequence is limited to confidentiality and integrity.

The record

CVE
CVE-2026-59504
Published
Aug 13, 2026
Updated
Aug 13, 2026
Vendor
Priority Software
Product
Priority Portal Generator
Classifications
CWE-602, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 13, 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=All versions without Priwall v3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Priority Software · Priority Portal Generatorversion=All versions without Priwall v3

Published CVSS scores

9.1Israel National Cyber DirectorateCVSS:3.1/AV:N/AC:L/PR:N/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 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-602Client-Side Enforcement of Server-Side Security
T1190Exploit Public-Facing Application

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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