CVE-2026-55669
Last modified
CVE-2026-55669 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validates a token's signature and issuer (iss) but not the audience (aud) claim, allowing a validly signed token from a trusted issuer for another relying party to be accepted by ZITADEL.
Description
ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validates a token's signature and issuer (iss) but not the audience (aud) claim, allowing a validly signed token from a trusted issuer for another relying party to be accepted by ZITADEL. This issue is fixed in versions 3.4.12 and 4.15.2.
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| zitadel | zitadel | >= 4.0.0-rc.1, < 4.15.2; < 3.4.12 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-55669?
How severe is CVE-2026-55669?
How do I fix CVE-2026-55669?
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-55661Tina is a headless content management system. In versions pr…4.8
- CVE-2026-55664Grist is spreadsheet software using Python as its formula la…4.3
- CVE-2026-55665Grist is spreadsheet software using Python as its formula la…8.5
- CVE-2026-55666Rocket.Chat is an open-source, secure, fully customizable co…9.3
- CVE-2026-55667File Browser is a file managing interface for uploading, del…8.2
- CVE-2026-55668File Browser provides a web file managing interface. Prior t…6.3
- CVE-2026-5567A flaw has been found in Tenda M3 1.0.0.10. This vulnerabili…8.8
- CVE-2026-55670ZITADEL is an open source identity management platform. Prio…2.3
- CVE-2026-55671ZITADEL is an open source identity management platform. From…2.3
- CVE-2026-55672ZITADEL is an open source identity management platform. Prio…7.4
- CVE-2026-55676Malcolm is a network traffic analysis tool suite. The file-u…8.8
- CVE-2026-55677Echo is a Go web framework. Prior to 4.15.3 and 5.2.0, Echo'…7.5
Are you affected by CVE-2026-55669?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
