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CVE-2026-25740

Privilege escalation to the `CAP_NET_RAW` capability via the `programs.captive-browser` NixOS module PUBLISHED

Description (CNA)

captive browser, a dedicated Chrome instance to log into captive portals without messing with DNS settings. In 25.05 and earlier, when programs.captive-browser is enabled, any user of the system can run arbitrary commands with the CAP_NET_RAW capability (binding to privileged ports, spoofing localhost traffic from privileged services...). This vulnerability is fixed in 25.11 and 26.05.

Affected (CNA)

Vendor / productVersions
NixOS / nixpkgsaffected <= 25.05

CWE

CWE-250

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.