CVE-2026-57999

Summary

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.

Affected Software

Weaknesses

• CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://github.com/openwrt/luci/security/advisories/GHSA-xwc5-mx58-rh35

References

• https://github.com/openwrt/luci/security/advisories/GHSA-xwc5-mx58-rh35
• https://www.vulncheck.com/advisories/luci-app-tailscale-community-command-injection-via-tailscale-do-login-rpc

• ←Previous
• Next→