sppppapinput in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.
{
"cwe_ids": [
"CWE-1284"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55706.json",
"cna_assigner": "mitre",
"unresolved_ranges": [
{
"extracted_events": [
{
"fixed": "076e2b1c1fc4ac0883a72d3544131ad5cee7adf8"
}
],
"source": "AFFECTED_FIELD"
},
{
"extracted_events": [
{
"fixed": "076e2b1c1fc4ac0883a72d3544131ad5cee7adf8"
}
],
"source": "CPE_FIELD"
},
{
"extracted_events": [
{
"fixed": "076e2b1"
}
],
"source": "DESCRIPTION"
}
]
}[
{
"source": "https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8",
"signature_version": "v1",
"signature_type": "Function",
"digest": {
"function_hash": "2097965285115964309935640491646252391",
"length": 3307.0
},
"deprecated": false,
"id": "CVE-2026-55706-515dbc37",
"target": {
"function": "sppp_pap_input",
"file": "sys/net/if_spppsubr.c"
}
},
{
"source": "https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8",
"signature_version": "v1",
"signature_type": "Line",
"digest": {
"line_hashes": [
"277351180250394368111172148424804271165",
"229383859553827109657299294920337622885",
"500910960700251678480365928367335945",
"122536534252742298291354128123013308442",
"116718580092651454081831116354654006205",
"323939868596135558205401807657602422870"
],
"threshold": 0.9
},
"deprecated": false,
"id": "CVE-2026-55706-fc18a18b",
"target": {
"file": "sys/net/if_spppsubr.c"
}
}
]
"2026-07-15T10:20:24Z"
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-55706.json"