CVE-2026-84445
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
gRPC-Go xDS servers: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | google.golang.org/grpc | <1.82.2 | 1.82.2 |
| Go | google.golang.org/grpc | >=1.83.0,<1.83.2 | 1.83.2 |
| Go | google.golang.org/grpc | >=1.84.0-dev,<1.85.0-dev.0.20260825072537-93e31b48545e | 1.85.0-dev.0.20260825072537-93e31b48545e |
References
- https://www.suse.com/security/cve/CVE-2026-84445.html
- https://github.com/grpc/grpc-go/security/advisories/GHSA-2v4p-qf9q-27wj
- https://github.com/grpc/grpc-go/issues/9354
- https://github.com/grpc/grpc-go/pull/9365
- https://github.com/grpc/grpc-go/pull/9366
- https://github.com/grpc/grpc-go/pull/9367
- https://github.com/grpc/grpc-go/commit/3822494d8ea03b992c089fd2a195f041762fffb7
- https://github.com/grpc/grpc-go/commit/8668b69c167df908b6b3666dcbf40992b9e932a4
- https://github.com/grpc/grpc-go/commit/93e31b48545e2a8aaeb6e06b47fb249f94e6297f
- https://github.com/grpc/grpc-go
- https://github.com/grpc/grpc-go/releases/tag/v1.82.2
- https://github.com/grpc/grpc-go/releases/tag/v1.83.2
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.