CVE-2026-16524

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-30. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric. This failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh.

CVSS v3
7.8
EG Score
7.8(high)
EG Risk
36(Track)
EG Risk 36/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
62%
KEV
Not listed

Published

July 30, 2026

Last Modified

July 30, 2026

Advisory Details (2)

Auto-updated Jul 30, 2026
Patch available. Sources: redhat.
redhat

2506023 – (CVE-2026-16524) CVE-2026-16524 PCP: PCP linux_sockets PMDA: Arbitrary Command Execution via Command Injection

https://bugzilla.redhat.com/show_bug.cgi?id=2506023
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-16524

Vendor Advisories for CVE-2026-16524(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 15× in last 7d / 15× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-01 06:59 UTCEG score recompute
  2. 2026-08-01 06:58 UTCGHSA enrichment
  3. 2026-08-01 04:15 UTCEPSS rescore
  4. 2026-07-31 18:07 UTCGHSA enrichment
  5. 2026-07-31 05:18 UTCGHSA enrichment
  6. 2026-07-30 16:29 UTCEG score recompute
  7. 2026-07-30 16:29 UTCGHSA enrichment
  8. 2026-07-30 15:40 UTCEG score recompute
  9. 2026-07-30 15:40 UTCGHSA enrichment
  10. 2026-07-30 14:34 UTCEG score recompute
  11. 2026-07-30 14:34 UTCGHSA enrichment
  12. 2026-07-30 06:39 UTCEG score recompute
  13. 2026-07-30 06:39 UTCGHSA enrichment
  14. 2026-07-30 05:28 UTCEG score recompute
  15. 2026-07-30 05:26 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16524?
CVE-2026-16524 is a high vulnerability published on July 30, 2026. A command injection flaw in PCP's linux_sockets PMDA allows malicious shell metacharacters via the network.persocket.filter metric. This failed validation lets attackers execute arbitrary commands as the PMDA user when metrics refresh.
When was CVE-2026-16524 disclosed?
CVE-2026-16524 was first published in the National Vulnerability Database on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16524 actively exploited?
CVE-2026-16524 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 38.3% of all scored CVEs.
What is the CVSS score of CVE-2026-16524?
CVE-2026-16524 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-16524?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16524, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-16524

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