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Priority Portal Generator CVE-2026-59504

| EUVDEUVD-2026-57771 CRITICAL
Client-Side Enforcement of Server-Side Security (CWE-602)
2026-08-13 INCD GHSA-2wv9-fhg5-594v
9.1
CVSS 3.1 · Vendor: INCD
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Severity by source

Vendor (INCD) PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
vuln.today AI
8.2 HIGH

Network-reachable, low-complexity, unauthenticated bypass of client-side controls yields high confidentiality (C:H); integrity downgraded to I:L as the evidence points to information disclosure, not broad data modification.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (INCD).

CVSS VectorVendor: INCD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

2
Analysis Generated
Aug 13, 2026 - 10:17 vuln.today
CVE Published
Aug 13, 2026 - 09:33 cve.org
CRITICAL 9.1

DescriptionCVE.org

CWE-602: Client-Side Enforcement of Server-Side Security

AnalysisAI

Unauthenticated information disclosure in the Portal Generator add-on to Priority ERP (developed by Soft Solutions) allows remote attackers to retrieve restricted data by bypassing security controls that are enforced only in the client rather than on the server. Any actor who can reach the portal over the network can craft direct server requests that skip the intended access checks, exposing sensitive data without credentials or user interaction. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires network access to a deployed Priority ERP Portal Generator instance that exposes functionality gated only by client-side controls; the attacker must be able to send direct HTTP requests to the server (e.g., via a proxy) rather than only using the intended UI. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The supplied CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N, base 9.1) describes a network-reachable, low-complexity, unauthenticated flaw with high confidentiality and integrity impact and no availability impact - a severe combination on paper. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch identified at time of analysis and no exact fix version is present in the available data, so operators should contact Soft Solutions / Priority directly and monitor the INCD advisory listing at https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0 for a patched build. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, restrict network access to Priority ERP Portal Generator systems and review access logs for unauthorized data retrieval. …

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CVE-2026-59504 vulnerability details – vuln.today

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