Daytona: Public sandbox previews remain accessible for up to one hour after being made private
Priority LOW 31CWE-613Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-613.
Summary
Daytona is a secure and elastic infrastructure runtime for AI-generated code execution and agent workflows. From 0.101.0 until 0.184.0, sandbox previews that were switched from public to private could remain reachable without authentication for a short period after the change, due to a cached visibility state that was not invalidated when the sandbox's visibility changed. This vulnerability is fixed in 0.184.0.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00398 34th percentileScored 2026-11-07
Fix Fixed daytona (daytonaio): 0.184.0github.com/daytonaio/daytona (Go): 0.184.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| daytonaio | daytona | 0.101.0 to before 0.184.0 | 0.184.0 | Patch available | CNA |
| — | github.com/daytonaio/daytona (Go) | 0.101.0 to before 0.184.0 | 0.184.0 | Patch available | GHSA-ww63-pv5x-vfc8 |
- daytona Vendordaytonaio Affected 0.101.0 to before 0.184.0 Fixed in 0.184.0 Patch available CNA
- github.com/daytonaio/daytona (Go) Vendor— Affected 0.101.0 to before 0.184.0 Fixed in 0.184.0 Patch available GHSA-ww63-pv5x-vfc8
Remediation
- Fix · CNA daytona (daytonaio) Fixed in 0.184.0
- Fix · GHSA-ww63-pv5x-vfc8 github.com/daytonaio/daytona (Go) Fixed in 0.184.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-54321
- 2026-10-03 Alias added: GHSA-ww63-pv5x-vfc8
References
More daytonaio vulnerabilities
- TI-2026-39215 Daytona: Cross-tenant organization takeover via invitation acceptance with an unverified email CVSS 3.1HIGH 8.4
- TI-2026-39217 Daytona: Cross-org IDOR in organization role update/delete — any org owner can rewrite or destroy another org's roles CVSS 3.1HIGH 7.7
- TI-2026-39219 Daytona: Cross-tenant data leak in notification WebSocket gateway via unverified organizationId join CVSS 3.1MEDIUM 6.5
- TI-2026-39218 Daytona: Git credential leak via git clone with TLS verification disabled CVSS 3.1MEDIUM 5.9
- TI-2026-39214 Path traversal in daytonaio daytona CVSS 3.1MEDIUM 4.2
Sources
- CVE-2026-54321 · CVE Program
- CVE-2026-54321 · NVD
- FIRST EPSS
- GHSA-ww63-pv5x-vfc8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences