CVE-2026-25740

MediumCVSS 5.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 4.0 5.8/10

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

Weakness enumeration

CWE-250

Affected software

No affected versions have been published.

Timeline

Published: Feb 9, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-257417.1Zulip is an open-source team collaboration tool. Prior to commit bf28c82dc9b1f630fa8e9106358771b20a0040f7, the API endpoint for creating a c CVE-2026-257425.3Zulip is an open-source team collaboration tool. Prior to version 11.6, Zulip is an open-source team collaboration tool. From version 1.4.0 CVE-2026-257434.8OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0, users with CVE-2026-257446.5OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0.2, the encounter vit CVE-2026-257456.5OpenEMR is a free and open source electronic health records and medical practice management application. In versions up to and including 8.0 CVE-2026-257468.8OpenEMR is a free and open source electronic health records and medical practice management application. Versions prior to 8.0.0 contain a S CVE-2026-257478.8Deserialization of Untrusted Data vulnerability in Apache Camel LevelDB component. The Camel-LevelDB DefaultLevelDBSerializer class deseria CVE-2026-257487.5authentik is an open-source identity provider. Prior to 2025.10.4 and 2025.12.4, with a malformed cookie it was possible to bypass authentic CVE-2026-257496.6Vim is an open source, command line text editor. Prior to version 9.1.2132, a heap buffer overflow vulnerability exists in Vim's tag file re CVE-2026-25755.3A flaw was found in Keycloak. An unauthenticated remote attacker can trigger an application level Denial of Service (DoS) by sending a highl CVE-2026-257508.1Langchain Helm Charts are Helm charts for deploying Langchain applications on Kubernetes. Prior to langchain-ai/helm version 0.12.71, a URL CVE-2026-257517.5FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. An information disclosure vulnerability in FUXA allows an unauthen