CVE-2024-14021

LlamaIndex <= 0.11.6 BGEM3Index Unsafe Deserialization

Published Jan 12, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
LlamaIndex (run-llama/llama_index) versions up to and including 0.11.6 contain an unsafe deserialization vulnerability in BGEM3Index.load_from_disk() in llama_index/indices/managed/bge_m3/base.py. The function uses pickle.load() to deserialize multi_embed_store.pkl from a user-supplied persist_dir without validation. An attacker who can provide a crafted persist directory containing a malicious pickle file can trigger arbitrary code execution when the victim loads the index from disk.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Llamaindex
Llamaindex llamaindex
CPEs cpe:2.3:a:llamaindex:llamaindex:*:*:*:*:*:*:*:*
Vendors & Products Llamaindex
Llamaindex llamaindex
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Run-llama
Run-llama llama Index
Vendors & Products Run-llama
Run-llama llama Index
Type Values Removed Values Added
Description LlamaIndex (run-llama/llama_index) versions up to and including 0.11.6 contain an unsafe deserialization vulnerability in BGEM3Index.load_from_disk() in llama_index/indices/managed/bge_m3/base.py. The function uses pickle.load() to deserialize multi_embed_store.pkl from a user-supplied persist_dir without validation. An attacker who can provide a crafted persist directory containing a malicious pickle file can trigger arbitrary code execution when the victim loads the index from disk.
Title LlamaIndex <= 0.11.6 BGEM3Index Unsafe Deserialization
Weaknesses CWE-502
References
Metrics cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 28, 2026, 1:47 AM
Reserved
Jan 9, 2026, 8:42 PM
Status
Analyzed
Published
Jan 12, 2026, 11:15 PM
Modified
Jul 14, 2026, 11:17 PM