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Vulnerabilities

Vulnerability · CVE-2026-57813

mailoptin mailoptin Incorrect Privilege Assignment

Published Jul 9, 2026 · catalog updated Jul 9, 2026 · mailoptin mailoptin Incorrect Privilege

Patch now

CVE-2026-57813 is in the CISA known-exploited catalog. Confirm mailoptin mailoptin Incorrect Privilege against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (mailoptin mailoptin Incorrect Privilege).
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.48%
Remediation
Remediation guidance
Affected products
stated mailoptin · vendor mailoptin mailoptin

Incorrect Privilege Assignment vulnerability in properfraction MailOptin mailoptin allows Privilege Escalation.This issue affects MailOptin: from n/a through <= 1.2.77.3.

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.

  • stated mailoptin<= 1.2.77
  • vendor mailoptin mailoptinversion unspecified

How to fix CVE-2026-57813

What to do

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

Should you patch?

CVE-2026-57813 is in the CISA known-exploited catalog. Confirm mailoptin mailoptin Incorrect Privilege against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with <= 1.2.77. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.48%. The CISA KEV listing is the exploitation evidence. 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. Jul 9, 2026 · VulnCheck KEV

    Detected

    Incorrect Privilege Assignment vulnerability in properfraction MailOptin mailoptin allows Privilege Escalation.This issue affects MailOptin: from n/a through <= 1.2.77.3.

  2. Jul 9, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2026-57813

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-57813

    30-day exploitation probability 0.5%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2026-57813

    Incorrect Privilege Assignment vulnerability in properfraction MailOptin mailoptin allows Privilege Escalation.This issue affects MailOptin: from n/a through <= 1.2.77.3.

    vulncheck.com

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.