webmin vulnerabilities and fixes
Recent CVEs affecting webmin, with upgrade or downgrade steps. 2 tracked.
webmin has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-06-18. Highest priority: CVE-2026-56022 (score 35/100).
- CVE-2026-56022 MEDIUM 5.3 UPGRADE Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin'
- CVE-2026-56021 MEDIUM 5.3 UPGRADE Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directo
FAQ
How do I fix webmin vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is webmin being exploited right now?
None of the tracked webmin CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which webmin CVE should I patch first?
CVE-2026-56022 currently ranks highest (35/100): Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin'.