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CVE-2026-59503 – Sensitive/Personal Data Exposure – Priority ERP Portal Generator (Soft Solutions ad

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Summary

CVE-2026-59503 is a critical information-disclosure vulnerability (CVSS 9.1) affecting the Portal Generator add-on for Priority ERP, developed by Soft Solutions. The flaw allows unauthorized, unauthenticated actors over the network to access sensitive and private personal information exposed by the portal, with no user interaction or privileges required. All deployments of the add-on that have not implemented the "Priwall v3" protection mechanism are considered affected.

Technical details

  • Root cause: The Portal Generator add-on exposes sensitive and private personal data to unauthorized actors (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor; CWE-359: Exposure of Private Personal Information to an Unauthorized Actor).
  • Trigger conditions: The vulnerable condition exists on any Priority ERP Portal Generator deployment that lacks the "Priwall v3" protection layer, particularly instances exposed to the public internet.
  • Attack vector: Network-based (AV:N); low attack complexity (AC:L); no privileges required (PR:N); no user interaction required (UI:N) — consistent with a remotely reachable, unauthenticated exposure of data through the portal.
  • Impact: High confidentiality impact (C:H) — disclosure of sensitive and private personal information. No impact to integrity or availability is indicated by the CVSS vector (I:H is listed in the source record alongside C:H, but no availability impact; A:N).
  • Disclosure credit: The vulnerability was reported by HackersEye.

Affected software

  • Portal Generator add-on for Priority ERP (developed by Soft Solutions) — all versions that do not have "Priwall v3" protection implemented.

Severity

  • CVSS v3.1 Base Score: 9.1 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Mitigation and recommended actions

  • Immediate: Ensure the Priority ERP Portal Generator add-on has the "Priwall v3" protection enabled/implemented. Organizations running the Modern Priority Portals platform from Priority Software should confirm they are on that current, supported offering rather than the legacy Portal Generator add-on.
  • If Priwall v3 cannot be immediately verified or applied: Do not expose the Priority Portal Generator infrastructure directly to the internet. Restrict access to internal networks or place it behind a VPN/authenticated access gateway until the protection can be confirmed in place.
  • Ongoing: Audit all internet-facing Priority ERP portal instances for exposure of the Portal Generator add-on and confirm patch/mitigation status with Priority Software / Soft Solutions support channels.

References

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