CVE-2026-26220

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-26220
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26220.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-26220
Published
2026-02-17T01:52:03Z
Modified
2026-10-28T02:31:14Z
Severity
  • 9.3 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
LightLLM <= 1.1.0 PD Mode Unsafe Deserialization RCE
Details

LightLLM version 1.1.0 and prior contain an unauthenticated remote code execution vulnerability in PD (prefill-decode) disaggregation mode. The PD master node exposes WebSocket endpoints that receive binary frames and pass the data directly to pickle.loads() without authentication or validation. A remote attacker who can reach the PD master can send a crafted payload to achieve arbitrary code execution.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-502"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26220.json"
}
References

Affected packages

Git / github.com/modeltc/lightllm

Affected ranges

Type
GIT
Repo
https://github.com/modeltc/lightllm
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
0f5d0ccf98b654e77fe9b0d9de81bda19cb907ad
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "last_affected":  "1.1.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        },
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "last_affected":  "1.1.0"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}

Affected versions

v1.*
v1.0.0
v1.0.1
v1.1.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26220.json"