CVE-2025-3108: PYSEC-2026-1564 - LlamaIndex has Incomplete Documentation of Program Execution related to JsonPickleSerializer component

CVE-2025-3108 · Severity: low · CVSS 3.1 · Published 2026-07-07

LlamaIndex has Incomplete Documentation of Program Execution related to JsonPickleSerializer component

Technologies: llama-index (PyPI), llama-index-core (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-3108 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-3108 being exploited in the wild.
How severe is CVE-2025-3108?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
llama-index (PyPI) ECOSYSTEM:introduced=0.12.27,fixed=0.12.41; llama-index-core (PyPI) ECOSYSTEM:introduced=0.11.15,fixed=0.12.41.
Is there a fix for CVE-2025-3108?
Yes. llama-index (PyPI): upgrade to 0.12.41 or later; llama-index-core (PyPI): upgrade to 0.12.41 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-3108?
Check whether you run llama-index (PyPI) or llama-index-core (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • llama-index (PyPI): upgrade to 0.12.41 or later
    pip install "llama-index>=0.12.41"
  • llama-index-core (PyPI): upgrade to 0.12.41 or later
    pip install "llama-index-core>=0.12.41"

Affected products

  • llama-index (PyPI) ECOSYSTEM:introduced=0.12.27,fixed=0.12.41
  • llama-index-core (PyPI) ECOSYSTEM:introduced=0.11.15,fixed=0.12.41

Identifiers

  • CVE-2025-3108
  • GHSA-m84c-4c34-28gf
  • PYSEC-2025-249
  • PYSEC-2026-1564

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