# google.golang.org/grpc (Go) vulnerabilities Source: https://junglewise.ai/threats/technologies/google-golang-org-grpc Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/google-golang-org-grpc.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 10 vulnerabilities in google.golang.org/grpc (Go): 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-84445, was published on 14 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 3 - All time: 10 (1 critical, 0 exploited in the wild) ## About google.golang.org/grpc (Go) The Go implementation of gRPC, an open source remote procedure call framework. ## Latest google.golang.org/grpc (Go) vulnerabilities - [CVE-2026-84445: gRPC-Go xDS server denial of service via missing headers](https://junglewise.ai/threats/cve-2026-84445-grpc-go-xds-server-denial-of-service-via-missing-headers) (high, CVSS 4, published 14 Sep 2026) - [CVE-2026-84304: gRPC-Go heap memory exhaustion via HTTP/2 DATA frame fragmentation](https://junglewise.ai/threats/cve-2026-84304-grpc-go-heap-memory-exhaustion-via-http-2-data-frame) (high, CVSS 4, published 1 Sep 2026) - [CVE-2026-84303: gRPC-Go xDS RBAC HTTP filter bypass via case-sensitive header matching](https://junglewise.ai/threats/cve-2026-84303-grpc-go-xds-rbac-http-filter-bypass-via-case-sensitive-header) (medium, CVSS 4, published 1 Sep 2026) - [GO-2026-6061 - Vulnerabilities in the xDS RBAC authorization engine and the HTTP/2 transport server implementation in…](https://junglewise.ai/threats/go-2026-6061-vulnerabilities-in-the-xds-rbac-authorization-engine-and-2c07d92a) (info, published 27 Jul 2026) - [gRPC-Go auth bypass and DoS in xDS RBAC and HTTP/2 transport](https://junglewise.ai/threats/grpc-go-auth-bypass-and-dos-in-xds-rbac-and-http-2-transport-878951d5) (high, CVSS 8.8, published 21 Jul 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) - [GO-2024-2978 - Private tokens could appear in logs if context containing gRPC metadata is logged in google.golang.org/grpc](https://junglewise.ai/threats/go-2024-2978-private-tokens-could-appear-in-logs-if-context-containing-38bbf955) (info, published 9 Jul 2024) - [Private tokens could appear in logs if context containing gRPC metadata is logged in github.com/grpc/grpc-go](https://junglewise.ai/threats/private-tokens-could-appear-in-logs-if-context-containing-grpc-metadata-75134670) (info, published 5 Jul 2024) - [GO-2023-2153 - Denial of service from HTTP/2 Rapid Reset in google.golang.org/grpc](https://junglewise.ai/threats/go-2023-2153-denial-of-service-from-http-2-rapid-reset-in-google-golang-25019841) (info, published 1 Nov 2023) - [gRPC-Go HTTP/2 Rapid Reset vulnerability](https://junglewise.ai/threats/grpc-go-http-2-rapid-reset-vulnerability-f788fcb3) (low, CVSS 3.1, published 25 Oct 2023) ## Most severe google.golang.org/grpc (Go) vulnerabilities - [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) - [gRPC-Go auth bypass and DoS in xDS RBAC and HTTP/2 transport](https://junglewise.ai/threats/grpc-go-auth-bypass-and-dos-in-xds-rbac-and-http-2-transport-878951d5) (high, CVSS 8.8, published 21 Jul 2026) - [CVE-2026-84445: gRPC-Go xDS server denial of service via missing headers](https://junglewise.ai/threats/cve-2026-84445-grpc-go-xds-server-denial-of-service-via-missing-headers) (high, CVSS 4, published 14 Sep 2026) - [CVE-2026-84304: gRPC-Go heap memory exhaustion via HTTP/2 DATA frame fragmentation](https://junglewise.ai/threats/cve-2026-84304-grpc-go-heap-memory-exhaustion-via-http-2-data-frame) (high, CVSS 4, published 1 Sep 2026) - [CVE-2026-84303: gRPC-Go xDS RBAC HTTP filter bypass via case-sensitive header matching](https://junglewise.ai/threats/cve-2026-84303-grpc-go-xds-rbac-http-filter-bypass-via-case-sensitive-header) (medium, CVSS 4, published 1 Sep 2026) - [gRPC-Go HTTP/2 Rapid Reset vulnerability](https://junglewise.ai/threats/grpc-go-http-2-rapid-reset-vulnerability-f788fcb3) (low, CVSS 3.1, published 25 Oct 2023) - [GO-2026-6061 - Vulnerabilities in the xDS RBAC authorization engine and the HTTP/2 transport server implementation in…](https://junglewise.ai/threats/go-2026-6061-vulnerabilities-in-the-xds-rbac-authorization-engine-and-2c07d92a) (info, published 27 Jul 2026) - [GO-2024-2978 - Private tokens could appear in logs if context containing gRPC metadata is logged in google.golang.org/grpc](https://junglewise.ai/threats/go-2024-2978-private-tokens-could-appear-in-logs-if-context-containing-38bbf955) (info, published 9 Jul 2024) - [Private tokens could appear in logs if context containing gRPC metadata is logged in github.com/grpc/grpc-go](https://junglewise.ai/threats/private-tokens-could-appear-in-logs-if-context-containing-grpc-metadata-75134670) (info, published 5 Jul 2024) - [GO-2023-2153 - Denial of service from HTTP/2 Rapid Reset in google.golang.org/grpc](https://junglewise.ai/threats/go-2023-2153-denial-of-service-from-http-2-rapid-reset-in-google-golang-25019841) (info, published 1 Nov 2023) ## Vulnerabilities per week Nothing in the last four weeks, down from 1 vulnerability in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 2 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 1 | 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 Go technologies - [github.com/mattermost/mattermost-server (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server): 297 vulnerabilities - [github.com/mattermost/mattermost-server/v6 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6): 222 vulnerabilities - [github.com/mattermost/mattermost/server/v8 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8): 207 vulnerabilities - [github.com/mattermost/mattermost-server/v5 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5): 199 vulnerabilities - [stdlib (Go)](https://junglewise.ai/threats/technologies/go-stdlib): 178 vulnerabilities - [github.com/siyuan-note/siyuan/kernel (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel): 160 vulnerabilities - [code.gitea.io/gitea (Go)](https://junglewise.ai/threats/technologies/code-gitea-io-gitea): 126 vulnerabilities - [code.vikunja.io/api (Go)](https://junglewise.ai/threats/technologies/code-vikunja-io-api): 91 vulnerabilities - [gogs.io/gogs (Go)](https://junglewise.ai/threats/technologies/gogs-io-gogs): 81 vulnerabilities - [github.com/traefik/traefik/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2): 78 vulnerabilities - [github.com/traefik/traefik (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik): 75 vulnerabilities - [github.com/usememos/memos (Go)](https://junglewise.ai/threats/technologies/github-com-usememos-memos): 75 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, "google.golang.org/grpc (Go) vulnerabilities", https://junglewise.ai/threats/technologies/google-golang-org-grpc, 13 November 2026.