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Missing Authentication vulnerabilities

CWE-306 · 12 tracked

Missing Authentication (CWE-306) is a recognized software weakness class in the MITRE CWE catalog. The vulnerabilities below are all instances of this pattern.

How it’s exploited

How missing authentication is exploited depends on the specific vulnerability, but every CVE in this class shares the same underlying flaw pattern — which is why the same class of mitigation applies across them.

How to prevent it

Recognizing the missing authentication pattern lets you apply one class of fix across every affected component. Each CVE page below carries specific, version-level remediation.

Tracked missing authentication vulnerabilities

12 CVEs in this class, each with severity, exploit status, EPSS, and remediation.

Frequently asked questions

What is Missing Authentication?
Missing Authentication (CWE-306) is a recognized software weakness class in the MITRE CWE catalog. The vulnerabilities below are all instances of this pattern.
How is missing authentication exploited?
How missing authentication is exploited depends on the specific vulnerability, but every CVE in this class shares the same underlying flaw pattern — which is why the same class of mitigation applies across them.
How do you prevent missing authentication?
Recognizing the missing authentication pattern lets you apply one class of fix across every affected component. Each CVE page below carries specific, version-level remediation.
How many missing authentication vulnerabilities are there?
O3 tracks 12 vulnerabilities classified as CWE-306 (Missing Authentication), each with severity, exploit status, EPSS exploitation probability, and remediation. The full list is below.