All vulnerabilities
CVE-2026-110451

Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.

NixOS Nix
Open in ThreatlineRecord JSON
CVSS
4.3Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.13%Chance of exploitation activity in the next 30 days, higher than 2% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.28.8Also 2.30.6, 2.31.6 and 2 moreCVE List
Published14 Oct 2026Updated 14 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Affected versions 5

  • Nixaffected: all versions before 2.28.8CVE List
  • Nixaffected: 2.29.0 before 2.30.6CVE List
  • Nixaffected: 2.31.0 before 2.31.6CVE List
  • Nixaffected: 2.32.0 before 2.34.9CVE List
  • Nixaffected: 2.35.0 before 2.35.3CVE List

References 1