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    8 vulnerabilities by ModelTC

    CVE-2026-96560 (GCVE-0-2026-96560)

    Vulnerability from nvd – Published: 2026-09-23 13:32 – Updated: 2026-09-24 14:23
    VLAI
    Title
    LightLLM through 1.2.0 Unauthenticated Remote Code Execution via NCCL PD RPyC Control Channel
    Summary
    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.
    Severity
    9.3 (Critical)
    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
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-23 14:30 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    ModelTC LightLLM Affected: 0 , ≤ 1.2.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-22 00:00
    Credits
    Mingkai Yu Jiapeng Li Jiajia Liu
    Show details on NVD website
    To clipboard 

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    CVE-2026-93839 (GCVE-0-2026-93839)

    Vulnerability from nvd – Published: 2026-09-18 19:06 – Updated: 2026-09-24 14:23
    VLAI
    Title
    LightLLM through 1.2.0 Missing Authentication in PD Master /pd_register WebSocket Endpoint
    Summary
    LightLLM through 1.2.0 contains an authentication bypass vulnerability in the /pd_register WebSocket endpoint that allows unauthenticated attackers to register arbitrary nodes by supplying crafted JSON without peer address validation. Attackers can disclose full user prompts routed to their socket, trigger denial of service by replacing legitimate nodes, or make the PD Master issue requests to internal network addresses.
    Severity
    9.3 (Critical)
    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
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-22 15:21 UTC
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    References
    Impacted products
    Vendor Product Version
    ModelTC LightLLM Affected: 0 , ≤ 1.2.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-16 00:00
    Credits
    Jiapeng Li Mingkai Yu Jiajia Liu
    Show details on NVD website
    To clipboard 

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    CVE-2026-90919 (GCVE-0-2026-90919)

    Vulnerability from nvd – Published: 2026-09-14 11:30 – Updated: 2026-09-14 14:24
    VLAI
    Title
    LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Config Server Pickle Deserialization
    Summary
    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.
    Severity
    9.3 (Critical)
    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
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-14 14:24 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    ModelTC LightLLM Affected: 0 , ≤ 1.2.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-10 00:00
    Credits
    Jiapeng Li Jiajia Liu
    Show details on NVD website
    To clipboard 

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    CVE-2026-26220 (GCVE-0-2026-26220)

    Vulnerability from nvd – Published: 2026-02-17 01:52 – Updated: 2026-07-14 15:54
    VLAI
    Title
    LightLLM <= 1.1.0 PD Mode Unsafe Deserialization RCE
    Summary
    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.
    Severity
    9.3 (Critical)
    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
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-02-17 14:37 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    ModelTC LightLLM Affected: 0 , ≤ 1.1.0 (semver)
    		Create a notification for this product.
    Credits
    Valentin Lobstein (Chocapikk)
    Show details on NVD website
    To clipboard 

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    CVE-2026-96560 (GCVE-0-2026-96560)

    Vulnerability from cvelistv5 – Published: 2026-09-23 13:32 – Updated: 2026-09-24 14:23
    VLAI
    Title
    LightLLM through 1.2.0 Unauthenticated Remote Code Execution via NCCL PD RPyC Control Channel
    Summary
    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.
    Severity
    9.3 (Critical)
    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
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-23 14:30 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    ModelTC LightLLM Affected: 0 , ≤ 1.2.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-22 00:00
    Credits
    Mingkai Yu Jiapeng Li Jiajia Liu
    Show details on NVD website
    To clipboard 

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    CVE-2026-93839 (GCVE-0-2026-93839)

    Vulnerability from cvelistv5 – Published: 2026-09-18 19:06 – Updated: 2026-09-24 14:23
    VLAI
    Title
    LightLLM through 1.2.0 Missing Authentication in PD Master /pd_register WebSocket Endpoint
    Summary
    LightLLM through 1.2.0 contains an authentication bypass vulnerability in the /pd_register WebSocket endpoint that allows unauthenticated attackers to register arbitrary nodes by supplying crafted JSON without peer address validation. Attackers can disclose full user prompts routed to their socket, trigger denial of service by replacing legitimate nodes, or make the PD Master issue requests to internal network addresses.
    Severity
    9.3 (Critical)
    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
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-22 15:21 UTC
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    References
    Impacted products
    Vendor Product Version
    ModelTC LightLLM Affected: 0 , ≤ 1.2.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-16 00:00
    Credits
    Jiapeng Li Mingkai Yu Jiajia Liu
    Show details on NVD website
    To clipboard 

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    CVE-2026-90919 (GCVE-0-2026-90919)

    Vulnerability from cvelistv5 – Published: 2026-09-14 11:30 – Updated: 2026-09-14 14:24
    VLAI
    Title
    LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Config Server Pickle Deserialization
    Summary
    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.
    Severity
    9.3 (Critical)
    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
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-14 14:24 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    ModelTC LightLLM Affected: 0 , ≤ 1.2.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-09-10 00:00
    Credits
    Jiapeng Li Jiajia Liu
    Show details on NVD website
    To clipboard 

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    CVE-2026-26220 (GCVE-0-2026-26220)

    Vulnerability from cvelistv5 – Published: 2026-02-17 01:52 – Updated: 2026-07-14 15:54
    VLAI
    Title
    LightLLM <= 1.1.0 PD Mode Unsafe Deserialization RCE
    Summary
    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.
    Severity
    9.3 (Critical)
    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
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-02-17 14:37 UTC
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    References
    Impacted products
    Vendor Product Version
    ModelTC LightLLM Affected: 0 , ≤ 1.1.0 (semver)
    		Create a notification for this product.
    Credits
    Valentin Lobstein (Chocapikk)
    Show details on NVD website
    To clipboard 

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