What’s Vulnerable › Vulnerabilities
CVE-2026-107692: War Thunder Account Impersonation
- Severity: medium (CVSS 4.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-20 · updated 2026-10-22
- Weakness: CWE-319
Description
The War Thunder game client transmits its authentication bearer token (auth_jwt) in the very first data packet after the TCP handshake, using only LZ4 compression rather than encryption. An attacker positioned on the network path can passively intercept and decompress this packet to reveal the plaintext JSON payload. This vulnerability allows for temporary authenticated impersonation, enabling an attacker to access game services and certain user data (such as email address and displayed phone number) as the affected user. While this allows for unauthorized access to gameplay, it does not facilitate full account takeover, as it cannot be used to modify account security settings, change passwords, bypass two-factor authentication for account management, or access financial information.
Affected products
- Gaijin Entertainment War Thunder: from 2.57.1.140 before 2.59.0.9 — fixed in 2.59.0.9
How to fix
Upgrade to a fixed version: Gaijin Entertainment War Thunder 2.59.0.9. Check the vendor advisory for mitigations.
References
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