ByteOS Network

NVD Vulnerability Details :

CVE-2026-25740

Awaiting Analysis

Source-security-advisories@github.com

Published At-09 Feb, 2026 | 21:15

Updated At-09 Feb, 2026 | 21:55

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	5.8	MEDIUM	CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Secondary

Version: 4.0

Base score: 5.8

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE ID	Type	Source
CWE-250	Primary	security-advisories@github.com

CWE ID: CWE-250

Type: Primary

Source: security-advisories@github.com

References

Hyperlink	Source	Resource
https://github.com/NixOS/nixpkgs/pull/487775	security-advisories@github.com	N/A
https://github.com/NixOS/nixpkgs/pull/487779	security-advisories@github.com	N/A
https://github.com/NixOS/nixpkgs/security/advisories/GHSA-wc3r-c66x-8xmc	security-advisories@github.com	N/A