Vulnerability in Teraterm Project Ttssh2
CVE-2026-58317
Unsigned to Signed Conversion Error (CWE-196) vulnerability exists in TTSSH2 plugin of Tera Term provided by TeraTerm Project. When Tera Term attempts to establish an SSH connection to a server set up by an attacker, out-of-bounds read/wri…
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Teraterm Project Ttssh2 — versions 1.00 alpha1
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-58317?
- CVE-2026-58317 is a medium-severity vulnerability in Teraterm Project Ttssh2, classified under CWE-196. CVSS score: 6.3/10. Published 2026-07-17.
- How severe is CVE-2026-58317?
- Medium severity. CVSS v3 base score is 6.3 out of 10.