SSRF in Adguard Trusttunnel
CVE-2026-24902
TrustTunnel is an open-source VPN protocol with a server-side request forgery and and private network restriction bypass in versions prior to 0.9.114. In `tcp_forwarder.rs`, SSRF protection for `allow_private_network_connections = false` was only applied in the `TcpDestination::HostName(peer)` path. The `TcpDestination::Address(peer) => peer` path proceeded to `TcpStream::connect()` without equivalent checks (for example `is_global_ip`, `is_loopback`), allowing loopback/private targets to be reached by supplying a numeric IP. The vulnerability is fixed in version 0.9.114.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.002 (13.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.
Affected products
- Adguard Trusttunnel
- Trusttunnel — versions < 0.9.114
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-24902?
- CVE-2026-24902 is a high-severity vulnerability in Adguard Trusttunnel, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.1/10. Published 2026-01-29.
- How severe is CVE-2026-24902?
- High severity. CVSS v3 base score is 7.1 out of 10.