CVE-2026-25740

MEDIUM EPSS 4.4%
Published Feb 9, 20264mo ago · Modified Jun 17, 20262w ago
5.8 CVSS 4.0
Medium
Find Similar
Published Feb 9, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.8
Exploitability
—
Impact
—
Vector string
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
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
4.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-250

References 3

  • github.com https://github.com/NixOS/nixpkgs/pull/487775
  • github.com https://github.com/NixOS/nixpkgs/pull/487779
  • github.com https://github.com/NixOS/nixpkgs/security/advisories/GHSA-wc3r-c66x-8xmc

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.