CVE-2026-43862: Low severity Mutt Mutt vulnerability
Published May 4, 2026
·Updated
In mutt before 2.3.2, the imapauthgss security level is mishandled.
Affected Software
1 affected component
Mutt Mutt<2.3.2
Event History
May 4, 2026
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-43862?
CVE-2026-43862 has been classified with a medium severity due to the mishandling of the imap_auth_gss security level.
2
How do I fix CVE-2026-43862?
To fix CVE-2026-43862, upgrade to Mutt version 2.3.2 or later where the vulnerability has been addressed.
3
Who is affected by CVE-2026-43862?
CVE-2026-43862 affects users of Mutt versions prior to 2.3.2.
4
What type of vulnerability is CVE-2026-43862?
CVE-2026-43862 is a security flaw related to the mishandling of authentication levels in the IMAP protocol.
5
Is there a workaround for CVE-2026-43862?
There is no documented workaround for CVE-2026-43862; upgrading to the patched version is recommended.