CVE-2026-47107— Windmill < 1.703.2 Incorrect Default Permissions in nsjail Configuration
Possible ATT&CK Techniques 3AI
T1059 · Command and Scripting Interpreter T1071 · Application Layer Protocol T1080 · Taint Shared ContentAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| windmill-labs | windmill | < 1.703.2 | affected |
f8467f38c8a053117ce62f96684cfb15ef792f08 | unaffected |
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I. Basic Information for CVE-2026-47107
Vulnerability Information
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Vulnerability Title
Windmill < 1.703.2 Incorrect Default Permissions in nsjail Configuration
Source: NVD (National Vulnerability Database)
Vulnerability Description
Windmill prior to 1.703.2 contains an incorrect default permissions vulnerability in nsjail sandbox configuration files where /etc is bind-mounted without read-write restrictions, allowing authenticated users to write arbitrary entries to /etc/hosts, /etc/resolv.conf, and /etc/ssl/certs/ca-certificates.crt from within script execution sandboxes. Attackers can exploit persistent poisoned entries across all subsequent script executions on the same worker pod to redirect hostnames, intercept DNS queries, perform transparent HTTPS man-in-the-middle attacks, and intercept WM_TOKEN JWTs to gain workspace-admin access to other users' workspaces.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
缺省权限不正确
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| windmill-labs | windmill | 0 ~ 1.703.2 | - |
II. Public POCs for CVE-2026-47107
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://github.com/windmill-labs/windmill/pull/9194issue-tracking
- https://nvd.nist.gov/vuln/detail/CVE-2026-47107
IV. Related Vulnerabilities
Same product: windmill
V. Comments for CVE-2026-47107
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