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Vulnerabilities

Vulnerability · CVE-2026-25016

Missing Authorization vulnerability in Nelio Software Nelio Popups nelio-popups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio Pop

Published Feb 3, 2026 · catalog updated Apr 28, 2026 · Nelio Software Nelio Popups

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-25016. EPSS is 0.18%. Act only if a listed version of Nelio Software Nelio Popups is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Advisory link
Affected products
vendor Nelio Software Nelio Popups 0 ≤1.3.5

Missing Authorization vulnerability in Nelio Software Nelio Popups nelio-popups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio Popups: from n/a through <= 1.3.5.

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.

  • vendor Nelio Software Nelio Popups 0 ≤1.3.50 ≤1.3.5

How to fix CVE-2026-25016

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-2026-25016. EPSS is 0.18%. Act only if a listed version of Nelio Software Nelio Popups is installed.

Which versions are affected?

Compare what you have installed with Nelio Software Nelio Popups 0 ≤1.3.5 0 ≤1.3.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.18%. 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. Feb 3, 2026 · EUVD

    Detected

    Missing Authorization vulnerability in Nelio Software Nelio Popups nelio-popups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio Popups: from n/a through <= 1.3.5.

  2. Apr 28, 2026 · EUVD

    Updated

    Missing Authorization vulnerability in Nelio Software Nelio Popups nelio-popups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio Popups: from n/a through <= 1.3.5.

Sources

  • CVE.orgVulnerability recordCVE-2026-25016

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-25016

    30-day exploitation probability 0.18%

    first.org
  • EUVDVulnerability recordEUVD-2026-5301

    Missing Authorization vulnerability in Nelio Software Nelio Popups nelio-popups allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nelio Popups: from n/a through <= 1.3.5.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026