# grpcio (PyPI) vulnerabilities

Source: https://junglewise.ai/threats/technologies/grpcio  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/grpcio.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in grpcio (PyPI): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2023-4785, was published on 7 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 6 (0 critical, 0 exploited in the wild)

## About grpcio (PyPI)

Python library for building and calling gRPC remote procedure call services.

## Latest grpcio (PyPI) vulnerabilities

- [CVE-2023-4785: PYSEC-2026-1428 - Denial of Service Vulnerability in gRPC TCP Server (Posix-compatible platforms)](https://junglewise.ai/threats/cve-2023-4785-denial-of-service-vulnerability-in-grpc-tcp-server-posix) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2023-33953: PYSEC-2026-1424 - Excessive Iteration in gRPC](https://junglewise.ai/threats/cve-2023-33953-excessive-iteration-in-grpc) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2023-32732: PYSEC-2026-1426 - gRPC connection termination issue](https://junglewise.ai/threats/cve-2023-32732-grpc-connection-termination-issue) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2023-1428: PYSEC-2026-1425 - gRPC Reachable Assertion issue](https://junglewise.ai/threats/cve-2023-1428-grpc-reachable-assertion-issue) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2023-32731: PYSEC-2026-1427 - Connection confusion in gRPC](https://junglewise.ai/threats/cve-2023-32731-connection-confusion-in-grpc) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2017-8359: PYSEC-2017-101 - Google gRPC before 2017-03-29 has an out-of-bounds write caused by a heap-based use-after-free…](https://junglewise.ai/threats/cve-2017-8359-pysec-2017-101-google-grpc-before-2017-03-29-has-an-out-of-bounds) (info, published 30 Apr 2017)

## Most severe grpcio (PyPI) vulnerabilities

- [CVE-2023-4785: PYSEC-2026-1428 - Denial of Service Vulnerability in gRPC TCP Server (Posix-compatible platforms)](https://junglewise.ai/threats/cve-2023-4785-denial-of-service-vulnerability-in-grpc-tcp-server-posix) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2023-32732: PYSEC-2026-1426 - gRPC connection termination issue](https://junglewise.ai/threats/cve-2023-32732-grpc-connection-termination-issue) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2023-32731: PYSEC-2026-1427 - Connection confusion in gRPC](https://junglewise.ai/threats/cve-2023-32731-connection-confusion-in-grpc) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2023-33953: PYSEC-2026-1424 - Excessive Iteration in gRPC](https://junglewise.ai/threats/cve-2023-33953-excessive-iteration-in-grpc) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2023-1428: PYSEC-2026-1425 - gRPC Reachable Assertion issue](https://junglewise.ai/threats/cve-2023-1428-grpc-reachable-assertion-issue) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2017-8359: PYSEC-2017-101 - Google gRPC before 2017-03-29 has an out-of-bounds write caused by a heap-based use-after-free…](https://junglewise.ai/threats/cve-2017-8359-pysec-2017-101-google-grpc-before-2017-03-29-has-an-out-of-bounds) (info, published 30 Apr 2017)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other PyPI technologies

- [tensorflow (PyPI)](https://junglewise.ai/threats/technologies/pypi-tensorflow): 435 vulnerabilities
- [tensorflow-cpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-cpu): 430 vulnerabilities
- [tensorflow-gpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-gpu): 427 vulnerabilities
- [open-webui (PyPI)](https://junglewise.ai/threats/technologies/open-webui): 177 vulnerabilities
- [Django (PyPI)](https://junglewise.ai/threats/technologies/django): 173 vulnerabilities
- [apache-airflow (PyPI)](https://junglewise.ai/threats/technologies/apache-airflow): 159 vulnerabilities
- [pillow (PyPI)](https://junglewise.ai/threats/technologies/pillow): 125 vulnerabilities
- [praisonai (PyPI)](https://junglewise.ai/threats/technologies/pypi-praisonai): 120 vulnerabilities
- [vllm (PyPI)](https://junglewise.ai/threats/technologies/pypi-vllm): 117 vulnerabilities
- [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone): 101 vulnerabilities
- [mlflow (PyPI)](https://junglewise.ai/threats/technologies/mlflow): 88 vulnerabilities
- [picklescan (PyPI)](https://junglewise.ai/threats/technologies/picklescan): 86 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "grpcio (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/grpcio, 13 November 2026.