In mutt before 2.3.2, the imap_auth_gss security level is mishandled.
{
"cna_assigner": "mitre",
"cwe_ids": [
"CWE-843"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43862.json"
}"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43862.json"
[
{
"deprecated": false,
"digest": {
"function_hash": "133870046266521008312648746910651788730",
"length": 6036
},
"id": "CVE-2026-43862-065641da",
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/muttmua/mutt/commit/f547a849cdacb512800a5f477c27de217e1c8151",
"target": {
"file": "imap/auth_gss.c",
"function": "imap_auth_gss"
}
},
{
"deprecated": false,
"digest": {
"line_hashes": [
"151931544877837422482236514398096941257",
"330672856876558039797847470873493650470",
"156206066022121236920823280941970668761",
"311817019566943436625250862202029557943",
"57999970697351298485768589405251470039",
"86235083486498636894249467223296761607",
"206006764067207625507539545453009762406",
"321406110677922190552935025034537053208",
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"326819862294283047464644989981804130244",
"173589108741780578558583888523986414552"
],
"threshold": 0.9
},
"id": "CVE-2026-43862-48d57c87",
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/muttmua/mutt/commit/f547a849cdacb512800a5f477c27de217e1c8151",
"target": {
"file": "imap/auth_gss.c"
}
}
]
"2026-08-12T16:25:15Z"