CVE-2026-78669 Affecting grafana-pcp package, versions <0:5.1.1-19.el8_10


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.61% (50th percentile)

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  • Snyk IDSNYK-ROCKY8-GRAFANAPCP-21687486
  • published24 Oct 2026
  • disclosed8 Oct 2026

Introduced: 8 Oct 2026

NewCVE-2026-78669  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 grafana-pcp to version 0:5.1.1-19.el8_10 or higher.
This issue was patched in RLSA-2026:88189.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grafana-pcp package and not the grafana-pcp package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

A malicious HTTP/2 peer can cause excessive CPU consumption in the client or server by opening a large number of streams and then sending many small SETTINGS frames containing SETTINGS_INITIAL_WINDOW_SIZE values.

CVSS Base Scores

version 3.1