Nixpkgs security tracker

Untriaged

Permalink CVE-2026-16527

7.3 HIGH

CVSS version (CVSS): 3.1
Attack Vector (AV): Network (N)
Attack Complexity (AC): Low (L)
Privileges Required (PR): None (N)
User Interaction (UI): None (N)
Scope (S): Unchanged (U)
Confidentiality (C): Low (L)
Integrity (I): Low (L)
Availability (A): Low (L)
Modified Attack Vector (MAV): Network (N)
Modified Attack Complexity (MAC): Low (L)
Modified Privileges Required (MPR): None (N)
Modified User Interaction (MUI): None (N)
Modified Confidentiality (MC): Low (L)
Modified Scope (MS): Unchanged (U)
Modified Integrity (MI): Low (L)
Modified Availability (MA): Low (L)

created 5 days, 5 hours ago Activity log

Created suggestion 5 days, 5 hours ago

Pcp: pcp pmproxy: unauthenticated access to /store endpoint allows bypassing pmcd access rules

An unauthenticated remote attacker can bypass access controls by sending crafted requests to the PCP pmproxy /store endpoint. This allows the attacker to overwrite any PMDA metric, leading to arbitrary code execution and system takeover.

References

https://access.redhat.com/security/cve/CVE-2026-16527 x_refsource_REDHATvdb-entry
RHBZ#2506031 issue-trackingx_refsource_REDHAT

Affected products

pcp

rhcos

Matching in nixpkgs

pkgs.ncmpcpp

Featureful ncurses based MPD client inspired by ncmpc

nixos-unstable 0.10.1
- nixpkgs-unstable 0.10.1
- nixos-unstable-small 0.10.1
nixos-26.05 0.10.1
- nixos-26.05-small 0.10.1
- nixpkgs-26.05-darwin 0.10.1

pkgs.libamqpcpp

Library for communicating with a RabbitMQ server

nixos-unstable 4.3.27
- nixpkgs-unstable 4.3.27
- nixos-unstable-small 4.3.27
nixos-26.05 4.3.27
- nixos-26.05-small 4.3.27
- nixpkgs-26.05-darwin 4.3.27

pkgs.python313Packages.pcpp

C99 preprocessor written in pure Python

nixos-unstable 1.30
- nixpkgs-unstable 1.30
- nixos-unstable-small 1.30
nixos-26.05 1.30
- nixos-26.05-small 1.30
- nixpkgs-26.05-darwin 1.30

pkgs.python314Packages.pcpp