7.8

CVE-2026-16524: pcp OS Command Injection

CVSS: 7.8v3.1HighAwaiting analysis
AliasesUBUNTU-CVE-2026-16524DEBIAN-CVE-2026-16524
Published 30-07-2026Last modified 12-10-2026
Open JSON

Vulnerability summary

CVE-2026-16524 is a high (CVSS 7.8) OS Command Injection vulnerability in pcp. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.70%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 20 · Related 10
OPENSUSE-SU-2026:11490-1OPENSUSE-SU-2026:21636-1RHSA-2026:55560RHSA-2026:55617RHSA-2026:55740RHSA-2026:72272

Timeline

  1. 30-07-2026
    PublishedVulnerability first disclosed.
  2. 12-10-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.70%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

+0.05 pp

From 0.65% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.70%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • pcpAll versions (No fix recorded)
Ubuntu1 product
  • pcpAll versions (No fix recorded)

2 vendors · 2 products

References

15 links
Show all 15 references