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Vulnerabilities

Vulnerability · CVE-2026-3999

A broken access control may allow an authenticated user to perform a horizontal privilege escalation.

Published Mar 13, 2026 · catalog updated Jun 17, 2026 · id server

Check if you run it

No confirmed exploitation is on record for CVE-2026-3999. EPSS is 0.43%. Act only if a listed version of id server is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Advisory link
Affected products
cpe pointsharp/id server

A broken access control may allow an authenticated user to perform a horizontal privilege escalation. The vulnerability only impacts specific configurations.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe pointsharp/id serverversion unspecified

How to fix CVE-2026-3999

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-3999. EPSS is 0.43%. Act only if a listed version of id server is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-639: Authorization Bypass Through User-Controlled Key. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 13, 2026 · NIST NVD

    Detected

    A broken access control may allow an authenticated user to perform a horizontal privilege escalation. The vulnerability only impacts specific configurations.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A broken access control may allow an authenticated user to perform a horizontal privilege escalation. The vulnerability only impacts specific configurations.

Sources

  • CVE.orgVulnerability recordCVE-2026-3999

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-3999

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-3999

    A broken access control may allow an authenticated user to perform a horizontal privilege escalation. The vulnerability only impacts specific configurations.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.