# CVE-2024-5629: PYSEC-2026-1826 - PyMongo Out-of-bounds Read in the bson module

Source: https://junglewise.ai/threats/cve-2024-5629-pymongo-out-of-bounds-read-in-the-bson-module  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2024-5629 · Severity: low · CVSS 3.1 · Published 2026-07-07

PyMongo Out-of-bounds Read in the bson module

Technologies: [pymongo (PyPI)](https://junglewise.ai/threats/technologies/pymongo). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2024-5629 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-5629 being exploited in the wild.

**How severe is CVE-2024-5629?** Low severity, with a CVSS score of 3.1, published 7 July 2026.

**Which products and versions are affected?** pymongo (PyPI) ECOSYSTEM:introduced=0,fixed=4.6.3.

**Is there a fix for CVE-2024-5629?** Yes. pymongo (PyPI): upgrade to 4.6.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2024-5629?** Check whether you run pymongo (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

- pymongo (PyPI): upgrade to 4.6.3 or later

  ```sh
  pip install "pymongo>=4.6.3"
  ```


## Affected products

- pymongo (PyPI) ECOSYSTEM:introduced=0,fixed=4.6.3

## Identifiers

- CVE-2024-5629
- GHSA-m87m-mmvp-v9qm
- PYSEC-2026-1826

## Related threats

- [MongoDB Python Driver out-of-bounds read in BSON decoding](https://junglewise.ai/threats/duplicate-advisory-python-6110-out-of-bounds-read-in-bson-decoding-via-96ff82c3)
- [MongoDB Python Driver buffer over-read in BSON regex parsing](https://junglewise.ai/threats/cve-2026-106435-the-mongodb-python-driver-s-binary-accelerator-can-read-outside)
- [MongoDB Python Driver integer overflow in BSON encoding](https://junglewise.ai/threats/cve-2026-96749-an-integer-overflow-in-the-bson-document-encoding-component-of)
- [PyMongo connection string parsing host injection](https://junglewise.ai/threats/cve-2026-96748-pymongo-s-connection-string-parsing-decodes-percent-encoded)
- [MongoDB Python Driver Unix socket misinterpretation in key management](https://junglewise.ai/threats/cve-2026-96747-the-client-side-field-level-encryption-support-in-the-mongodb)