Multiple vulnerabilities in TTSSH2 plugin of Tera Term
TTSSH2 plugin of Tera Term provided by TeraTerm Project contains multiple vulnerabilities.
CSIRTS triage
- What
- The TTSSH2 plugin of Tera Term contains multiple vulnerabilities.
- Who is affected
- Users of Tera Term with the TTSSH2 plugin are affected.
- Urgency
- Remediation is urgent as vulnerabilities could allow privilege escalation, though exploitation is not confirmed.
- Action
- Update the TTSSH2 plugin of Tera Term to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://jvn.jp/en/jp/JVN65294474/
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-583170.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
- Low exploitation riskCVE-2026-600600.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-58317 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-60060 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for TTSSH2 plugin of
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
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