CVE-2026-107060 Tailscale - Broken Access Control

Tailscale versionCode 297862600 contains a broken access control caused by insecure permissions, letting unauthorized attackers make arbitrary changes to other users' VPN configurations and preferences, exploit requires no special privileges.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.16% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-732

Vendor fix

Update to the latest version of Tailscale.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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