CVE-2024-14021: LlamaIndex (run-llama/llama_index) versions up to and including 0.11.6 contain an unsafe deserialization vulne

Q: How do I fix CVE-2024-14021?

llamaindex: upgrade to newer than 0.11.6. Exact commands for each OS are on this page.

Q: Is CVE-2024-14021 being exploited?

CVE-2024-14021 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-14021 affect?

CVE-2024-14021 affects llamaindex. Severity is high (CVSS 7.8). 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 deserial

Q: How urgent is CVE-2024-14021?

Priority 39/100. High severity; Public exploit reference

Routine

HIGH 7.8UPGRADE

CVE-2024-14021 is a high-severity flaw (CVSS 7.8) affecting llamaindex. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 whe

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-502
Published	2026-01-12
Last modified	2026-07-14

Publisher (CNA): VulnCheck · Vendor: llamaindex

Last updated 2026-07-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-12 23:15 UTCPublished CVE record published
2026-07-14 23:17 UTCUpdated Record last modified

llamaindex llamaindex UPGRADE

Affected: <= 0.11.6

Fixed in: newer than 0.11.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy llamaindex || rpm -q llamaindex || llamaindex --version

2. UPGRADE to newer than 0.11.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade llamaindex

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade llamaindex

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-14021?

llamaindex: upgrade to newer than 0.11.6. Exact commands for each OS are on this page.

Is CVE-2024-14021 being exploited?

CVE-2024-14021 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-14021 affect?

CVE-2024-14021 affects llamaindex. Severity is high (CVSS 7.8). 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 deserial

How urgent is CVE-2024-14021?

Priority 39/100. High severity; Public exploit reference

Software pages

OpenAI and LLM tools vulnerabilities

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References

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