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CVE-2026-25740
Published: Feb 9, 2026
Modified: Feb 10, 2026
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
NixOS | nixpkgs | affected <= 25.05 |
Weaknesses (CWE)
References
https://github.com/NixOS/nixpkgs/security/advisories/GHSA-wc3r-c66x-8xmc
x_refsource_CONFIRM
https://github.com/NixOS/nixpkgs/pull/487775
x_refsource_MISC
https://github.com/NixOS/nixpkgs/pull/487779
x_refsource_MISC
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