C-Kermit from 7.0.197 before 11.1.515 contains an authentication bypass vulnerability in the IKSD SSL build that leaves Telnet authentication state at AUTH_VALID after a refused certificate login. Attackers holding a trusted certificate mapped to a refused account can log in as any other account with any password, gaining that account's shell access.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-287"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/129xxx/CVE-2026-129116.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "7.0.197"
},
{
"fixed": "11.1.515"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
},
{
"extracted_events": [
{
"range": [
{
"introduced": "7.0.197"
},
{
"fixed": "11.1.515"
}
],
"source": "DESCRIPTION"
}
]
}
]
}{
"extracted_events": [
{
"range": [
{
"fixed": "fdfe8f13159f9276d87e02bedba15946b0edda97"
}
],
"source": "REFERENCES_COMMIT"
}
]
}