CVE-2026-110453CWE-863broken-access-control

CVE-2026-110453

Medium · published October 14, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
2.5
In the wild
Unconfirmed
What it is

Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00131 · 2.5th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-10-14T09:16Z
References (1)
https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 14 OCT 04:15Z
    Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients
    cvelistv5
  • 14 OCT 04:15Z
    Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients
    cvelistv5