CVE-2026-43860Disclosure

LOWCVSS 3.7 · LOW

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

mutt before 2.3.2 sometimes truncates the hash_passwd by one byte for IMAP auth_cram MD5 digest.

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0.0/ 10 priority

Sources & remediation

Other references

https://github.com/muttmua/mutt/commit/834c5a2ed0479e51e8662a31caed129f136f4805

Weakness type (CWE)

CWE-193

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 1 classified signal
General: 1 classified signal
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

Disclosure

150.0%

General

150.0%

Referenced assets3 URLs

By indicator

Full discourse2 posts

CVE@CVEnew157d
Disclosure
CVE-2026-43860 mutt before 2.3.2 sometimes truncates the hash_passwd by one byte for IMAP auth_cram MD5 digest. https://www.cve.org/CVERecord?id=CVE-2026-43860
Post summary
The statement discloses a specific flaw in mutt versions prior to 2.3.2 that incorrectly truncates the IMAP auth_cram MD5 digest by one byte.
00010198
57.4K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds157d
General
CVE-2026-43860 Hash Truncation Vulnerability in Mutt Before 2.3.2 IMAP Authentication https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-43860 Vulnerability Notification: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=3
Post summary
The text announces CVE-2026-43860, a hash truncation flaw in Mutt versions before 2.3.2 affecting IMAP authentication, without providing evidence of exploitation, patches, or a PoC.
0000057
4.0K followersView on X

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