# pymongo (PyPI) vulnerabilities

7 known vulnerabilities (2 high, 4 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Weekly downloads: 17.2M
- Dependents: 4,232
- Registry: https://pypi.org/project/pymongo/

## Advisories (7)

### [CVE-2026-106435](https://cve.now/CVE-2026-106435): Application denial of service via out-of-bounds read in BSON Regex decoding in MongoDB Python Driver

- Severity: Medium 5.9
- Published: Oct 8, 2026
- Affected: from 3.9.0, fixed in 4.18.3.

### [CVE-2026-96749](https://cve.now/CVE-2026-96749): Heap out-of-bounds write via signed size overflow in BSON document encoding

- Severity: High 7.5
- Published: Sep 24, 2026
- Affected: fixed in 4.18.2.

### [CVE-2026-96748](https://cve.now/CVE-2026-96748): Connection redirection via percent-encoded delimiter injection in connection string hosts

- Severity: High 8.3
- Published: Sep 24, 2026
- Affected: from 3.5.0, fixed in 4.18.2.

### [CVE-2026-96747](https://cve.now/CVE-2026-96747): Forced local Unix socket connection via dot-sock KMS endpoint in client-side field encryption

- Severity: Medium 5.3
- Published: Sep 24, 2026
- Affected: from 3.9.0, fixed in 4.18.2.

### [CVE-2026-88029](https://cve.now/CVE-2026-88029): GridFS data disclosure and deletion via query-operator injection in file IDs in the MongoDB Python Driver

- Severity: Medium 6.1
- Published: Sep 10, 2026
- Affected: fixed in 4.18.1.

### [CVE-2024-5629](https://cve.now/CVE-2024-5629): Out-of-bounds read in bson module of PyMongo

- Severity: Medium 4.7
- Published: Jun 5, 2024
- Affected: fixed in 4.6.3.

### [CVE-2013-2132](https://cve.now/CVE-2013-2132): bson/\_cbsonmodule.c in the mongo-python-driver (aka.

- Severity: Unrated
- Published: Aug 15, 2013
- Affected: fixed in 2.5.2.

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