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Mullvad confirms VPN fingerprinting flaw, says fix is on the way

📅 21 May 2026 at 12:48 UTC📰 Cyber InsiderView original source ↗
Mullvad confirms VPN fingerprinting flaw, says fix is on the way

Mullvad has published an official advisory confirming a fingerprinting issue in its VPN infrastructure that could allow online services to probabilistically correlate users as they switch between VPN servers. The company says the flaw does not expose a user’s identity, but it can allow an attacker to infer that the same person connected through multiple … The post Mullvad confirms VPN fingerprinting flaw, says fix is on the way appeared first on CyberInsider.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Mullvad's VPN infrastructure has a fingerprinting flaw that allows online services to probabilistically correlate users across different VPN servers, weakening unlinkability between sessions.

⚙️Technical Details
💥Impact Assessment
Severity: high
🛡️Recommended Actions
1Regenerate WireGuard identities before changing servers
2Log out and back into the Mullvad application to generate a new WireGuard key
3Monitor progress updates on the official advisory page
📦Affected Products
Product Name: Mullvad VPNAffected Software:WireGuard tunnel characteristics

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