CVE-2025-64066: Primakon Pi Portal 1.0.18 REST /api/v2/user/register endpoint suffers from a Broken Access Control vulnerabili

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HIGH 8.6REMOTEDOWNGRADE

CVE-2025-64066 is a high-severity flaw (CVSS 8.6) affecting project contract management. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Primakon Pi Portal 1.0.18 REST /api/v2/user/register endpoint suffers from a Broken Access Control vulnerability. The endpoint fails to implement any authorization checks, allowing unauthenticated attackers to perform POST requests to register new user accounts in the application's local database. This bypasses the intended security architecture, which relies on an external Identity Provider for initial user registration and assumes that internal

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-284
Published	2025-11-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: primakon

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-25 18:15 UTCPublished CVE record published
2026-06-17 09:53 UTCUpdated Record last modified

primakon project contract management DOWNGRADE

Affected: 1.0.18

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.18

1. Check installed version

apt-cache policy project-contract-management || rpm -q project-contract-management || project-contract-management --version

2. No fixed release: DOWNGRADE to a release before 1.0.18 (Debian / Ubuntu)

apt-cache madison project-contract-management sudo apt install project-contract-management=<VERSION_BEFORE_1.0.18> sudo apt-mark hold project-contract-management

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list project-contract-management sudo dnf downgrade project-contract-management-<VERSION_BEFORE_1.0.18> sudo dnf versionlock add project-contract-management

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-64066?

project contract management: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-64066 being exploited?

CVE-2025-64066 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-64066 affect?

CVE-2025-64066 affects project contract management. Severity is high (CVSS 8.6). Primakon Pi Portal 1.0.18 REST /api/v2/user/register endpoint suffers from a Broken Access Control vulnerability. The endpoint fails to implement any authorization checks, allowing unauthenticated attackers to perform POST requests to regis

How urgent is CVE-2025-64066?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-64067 MEDIUM 5.3 DOWNGRADE Primakon Pi Portal 1.0.18 API endpoints responsible for retrieving object-specific or filtered data (e.g., use
CVE-2025-64065 HIGH 8.8 DOWNGRADE The Primakon Pi Portal 1.0.18 API /api/V2/pp_udfv_admin endpoint, fails to perform necessary server-side valid
CVE-2025-64064 HIGH 8.8 DOWNGRADE Primakon Pi Portal 1.0.18 /api/v2/pp_users endpoint fails to adequately check user permissions before processi
CVE-2025-64063 CRITICAL 9.8 DOWNGRADE Primakon Pi Portal 1.0.18 API endpoints fail to enforce sufficient authorization checks when processing reques
CVE-2025-64062 HIGH 8.8 DOWNGRADE The Primakon Pi Portal 1.0.18 /api/V2/pp_users?email endpoint is used for user data filtering but lacks proper

References

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