Activepieces: Cross-tenant data exposure and code injection via the Code piece sandbox cache
Priority MEDIUM 42CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure, Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200 and CWE-285.
Summary
Activepieces is an open source AI workflow automation platform. Prior to 0.84.0, an unsanitized path segment in the Code piece sandbox can let an authenticated flow author reach read-write cached flow and code files belonging to other tenants on the same worker, exposing embedded data and allowing modified code to execute on a victim tenant's next flow run. This issue is fixed in version 0.84.0.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00414 35th percentileScored 2026-11-07
Fix Fixed activepieces (activepieces): 0.84.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| activepieces | activepieces | before 0.84.0 | 0.84.0 | Patch available | CNA |
- activepieces Vendoractivepieces Affected before 0.84.0 Fixed in 0.84.0 Patch available CNA
Remediation
- Fix · CNA activepieces (activepieces) Fixed in 0.84.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-48499
References
More activepieces vulnerabilities
- TI-2026-51288 Activepieces: Remote Code Execution via Command Injection in Code Step Name CVSS 4.0HIGH 8.7
- TI-2026-51290 Activepieces: V8 Isolate Sandbox Bypass via importFresh Module Loading CVSS 4.0HIGH 7.6
- TI-2026-38608 Activepieces: Arbitrary file write in git-sync via path traversal and symlinks CVSS 4.0MEDIUM 5.9
- TI-2026-51291 Activepieces: Reflected Cross-Site Scripting in OAuth Redirect Endpoint CVSS 3.1MEDIUM 6.1
- TI-2026-51289 Activepieces: Server-side request forgery in MCP tool validation endpoint CVSS 4.0MEDIUM 5.3
- TI-2026-38609 Activepieces: Cross-tenant file download via missing JWT audience check on step-files signed URL CVSS 4.0MEDIUM 5.3
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences