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CVE

CVE-2026-90919

LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Config Server Pickle Deserialization
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CVE

CVE-2026-90919

LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Config Server Pickle Deserialization

LightLLM through 1.2.0 contains a remote code execution vulnerability in the Config Server's unauthenticated /visual_register WebSocket endpoint that passes the first client frame directly to pickle.loads(). Attackers can reach the Config Server port and send a malicious serialized payload with a reduce method to execute arbitrary code with Config Server process privileges.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90919.json, https://nvd.nist.gov/vuln/detail/CVE-2026-90919, https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-config-server-pickle-deserialization, https://github.com/ModelTC/LightLLM/issues/1563, https://github.com/ModelTC/lightllm, https://github.com/ModelTC/LightLLM/blob/v1.2.0/lightllm/server/configserver/apihttp.py#L79-L86

Severity

0

CVSS Score
0
10

Basic Information

Base CVSS
0
EPSS Probability
0.01086%
EPSS Percentile
0.64268%
Introduced Version
0
Fix Available
65c174ee95ac6a6fd36b18b63d0b33d97e76b770

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