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PCP linux_sockets module unsecured internal connection allows local code execution attacker to escalate to root

Last refreshed2026-09-30

Status: NEW  |  Advisory ID: CVE-2026-16526

Key Details

CVECVE-2026-16526
CVSS Score / Version8.8 (High) / CVSS v3.1
Updated2026-08-21
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Classified asCWE-403 (Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak'))

What to Know

A flaw in the PCP linux_sockets module exposes an unsecured internal connection.

An attacker with initial code execution can exploit this to escalate privileges and execute arbitrary commands as root. (NVD)

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-16526
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-16526