Skip to main content
CVE-2026-116591VulnerabilityPublished

Red Hat Security Advisory: grafana-pcp security update

Affects Red Hat grafana-pcpSource GCVE Database

0
Compare
Authoritative record:CVE-2026-116591· High 8.7

Not known to be exploited · CVSS 8.7 High : upgrade Red Hat grafana-pcp to 1.20.2 soon.

Data as of 11 Nov 2026, 15:33 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 4.08.7
Patch
Available – fixed in 1.20.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

What to do

Upgrade compress to 1.20.2.

Affected software

ProductAffectedFixed in
klauspostcompressAffected
  • <1.20.2
Fixed in
  • 1.20.2

AI-suggested

Red Hat has released updated grafana-pcp packages for Red Hat Enterprise Linux 10 that fix this vulnerability. Users should apply the security update as described in the Red Hat advisory RHSA-2026:98620 to remediate the issue. No other mitigation or workaround is indicated.

Description

A security update for the Grafana plugin for Performance Co-Pilot addresses a denial of service vulnerability (CVE-2026-116591) in the klauspost/compress zstd compression library. The vulnerability allows denial of service via crafted zstd compressed input. This issue affects Red Hat Enterprise Linux 10 across multiple architectures. Red Hat has released updated packages to fix this vulnerability.

References

Community reviews

Loading reviews…