LightLLM through 1.2.0 contains a remote code execution vulnerability in the KV-transfer worker when started with --pd_trans_mode nccl, which exposes an unauthenticated RPyC control channel that deserializes attacker-supplied data. Attackers can send malicious pickled objects to the exposed RPyC ThreadedServer to execute arbitrary code with the privileges of the LightLLM service account.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-502"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/96xxx/CVE-2026-96560.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "1.2.0"
},
{
"fixed": "1.2.0"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}