# Grpc vulnerabilities

Source: https://junglewise.ai/threats/technologies/grpc  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/grpc.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in Grpc: 0 in the last 7 days and 0 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-53430, was published on 15 June 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 6 (2 critical, 0 exploited in the wild)

## About Grpc

Open-source remote procedure call framework for building distributed systems with multiple language support.

## Latest Grpc vulnerabilities

- [CVE-2026-53430: elixir-grpc grpc denial of service via gzip decompression bomb](https://junglewise.ai/threats/cve-2026-53430-elixir-grpc-grpc-denial-of-service-via-gzip-decompression-bomb) (high, CVSS 8.7, published 15 Jun 2026)
- [CVE-2026-48854: elixir-grpc memory exhaustion in Cowboy Handler](https://junglewise.ai/threats/cve-2026-48854-elixir-grpc-memory-exhaustion-in-cowboy-handler) (high, CVSS 8.7, published 15 Jun 2026)
- [CVE-2026-48853: elixir-grpc RCE and DoS in Erlpack codec](https://junglewise.ai/threats/cve-2026-48853-elixir-grpc-rce-and-dos-in-erlpack-codec) (critical, CVSS 9.2, published 15 Jun 2026)
- [CVE-2026-48599: elixir-grpc authorization bypass in HTTP transcoding](https://junglewise.ai/threats/cve-2026-48599-elixir-grpc-authorization-bypass-in-http-transcoding) (high, CVSS 7.6, published 15 Jun 2026)
- [CVE-2026-33186: gRPC gRPC-Go authorization bypass in HTTP/2 path validation](https://junglewise.ai/threats/cve-2026-33186-grpc-grpc-go-authorization-bypass-in-http-2-path-validation) (critical, CVSS 9.1, published 20 Mar 2026)
- [CVE-2020-7768: gRPC prototype pollution in loadPackageDefinition](https://junglewise.ai/threats/cve-2020-7768-grpc-prototype-pollution-in-loadpackagedefinition) (low, CVSS 3.1, published 10 May 2021)

## Most severe Grpc vulnerabilities

- [CVE-2026-48853: elixir-grpc RCE and DoS in Erlpack codec](https://junglewise.ai/threats/cve-2026-48853-elixir-grpc-rce-and-dos-in-erlpack-codec) (critical, CVSS 9.2, published 15 Jun 2026)
- [CVE-2026-33186: gRPC gRPC-Go authorization bypass in HTTP/2 path validation](https://junglewise.ai/threats/cve-2026-33186-grpc-grpc-go-authorization-bypass-in-http-2-path-validation) (critical, CVSS 9.1, published 20 Mar 2026)
- [CVE-2026-48854: elixir-grpc memory exhaustion in Cowboy Handler](https://junglewise.ai/threats/cve-2026-48854-elixir-grpc-memory-exhaustion-in-cowboy-handler) (high, CVSS 8.7, published 15 Jun 2026)
- [CVE-2026-53430: elixir-grpc grpc denial of service via gzip decompression bomb](https://junglewise.ai/threats/cve-2026-53430-elixir-grpc-grpc-denial-of-service-via-gzip-decompression-bomb) (high, CVSS 8.7, published 15 Jun 2026)
- [CVE-2026-48599: elixir-grpc authorization bypass in HTTP transcoding](https://junglewise.ai/threats/cve-2026-48599-elixir-grpc-authorization-bypass-in-http-transcoding) (high, CVSS 7.6, published 15 Jun 2026)
- [CVE-2020-7768: gRPC prototype pollution in loadPackageDefinition](https://junglewise.ai/threats/cve-2020-7768-grpc-prototype-pollution-in-loadpackagedefinition) (low, CVSS 3.1, published 10 May 2021)

## 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 |

## 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, "Grpc vulnerabilities", https://junglewise.ai/threats/technologies/grpc, 9 November 2026.