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CVE-2026-57813

Critical

Description

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

SeverityCritical
CVSS9.8
Exploit probability—
ProductMailOptin
PublishedJul 13, 2026
First seenJul 13, 2026
Weakness typeCWE-266CWE-266

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
properfraction MailOptinv ≤ 1.2.77.3—

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