VulnSocial

CVE-2026-96560

LOWCVSS 9.3 · CRITICAL

Signal is active with 1 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

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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-502

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-23: 109-23
Full discourse1 post
  • Upwind Security MDR@UpwindMDR

    🚨Critical - LightLLM KV-transfer Worker RPyC Pickle RCE (CVE-2026-96560) LightLLM KV-transfer worker started with --pd_trans_mode nccl exposes an unauthenticated RPyC ThreadedServer control channel. Attackers can send malicious pickled objects that get deserialized, achieving remote code execution as the LightLLM service account. Other pd_trans_mode values are not affected. 👉Affected: LightLLM <= 1.2.0

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