CVE-2026-43862 PUBLISHED

Assigner: mitre
Reserved: 04.05.2026 Published: 04.05.2026 Updated: 04.05.2026

In mutt before 2.3.2, the imap_auth_gss security level is mishandled.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 3.7

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	mutt
Product	mutt
Versions	Default: unaffected affected from 0 to 2.3.2 (excl.)

References

https://github.com/muttmua/mutt/commit/f547a849cdacb512800a5f477c27de217e1c8151

Problem Types

CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') CWE