An issue in ttyd v.1.6.3 allows attacker to execute arbitrary code via default configuration permissions.
Priority MEDIUM 50CWE-276Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
An issue in ttyd v.1.6.3 allows attacker to execute arbitrary code via default configuration permissions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00865 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ttyd_project:ttyd:1.6.3:*:*:*:*:*:*:* | 1.6.3 | Vulnerable | Ttyd Project |
- cpe:2.3:a:ttyd_project:ttyd:1.6.3:*:*:*:*:*:*:* Versions 1.6.3 Vulnerable ·Ttyd Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34182
- 2026-10-03 Alias added: GHSA-jcg3-g4m6-7ch5
References
Sources
- CVE-2021-34182 · CVE Program
- CVE-2021-34182 · NVD
- FIRST EPSS
- GHSA-jcg3-g4m6-7ch5 · GitHub Advisory Database · CC BY 4.0
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