CVE Catalog

CVE-2026-57999

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
1.18%

64th percentile - higher than 64% of all known CVEs

Summary

The luci-app-tailscale-community package contains a command injection vulnerability in the tailscale.do_login RPC method, where user-controlled loginserver and loginserver_authkey parameters are improperly quoted within a double-quoted shell command, allowing authenticated users to execute arbitrary commands as root.

Risk Assessment

An attacker with administrative panel access can gain full control over the device, steal data, install malware, or disrupt network operations.

Recommendation

Immediately update the luci-app-tailscale-community package to the latest patched version and restrict administrative panel access to trusted users only.

Related vulnerabilities

Original NVD description (English source)

luci-app-tailscale-community contains a command injection vulnerability in the tailscale.do_login RPC method that allows authenticated users to execute arbitrary commands as root. The vulnerability exists because user-controlled loginserver and loginserver_authkey parameters are improperly quoted within a double-quoted shell command, allowing shell substitutions like $() to be evaluated by the outer shell before argument processing.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS