CVE-2026-109374

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Source
https://cve.org/CVERecord?id=CVE-2026-109374
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109374.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-109374
Aliases
  • GHSA-w4gv-rcwj-w6r5
Published
2026-10-12T16:05:46Z
Modified
2026-10-13T02:46:58Z
Severity
  • 5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS Calculator
Summary
ZITADEL 3.0.0 before 4.19.2 Privilege Escalation via OIDC Token Exchange Impersonation
Details

ZITADEL 3.0.0 before 4.19.2 contains a privilege escalation vulnerability in OIDC token exchange that allows end-user impersonators to impersonate administrators including IAM_OWNER by bypassing the admin.impersonation check. Attackers holding IAM_END_USER_IMPERSONATOR or ORG_END_USER_IMPERSONATOR roles can sign in to relying applications as administrators with their roles and claims.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-863"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109374.json"
}
References

Affected packages

Git / github.com/zitadel/zitadel

Affected ranges

Type
GIT
Repo
https://github.com/zitadel/zitadel
Events
Introduced
573c96d6af6aa8778efd9bff59f9bc0dab94c495
Fixed
2c37c4176ad51c3db0354122e06af53a88d30d4e
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "3.0.0"
        },
        {
            "fixed":  "4.19.2"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

v3.*
v3.0.0
v3.0.1
v3.0.2
v3.0.3
v3.0.4
v3.1.0
v3.2.0
v3.2.1
v3.2.2
v3.2.3
v3.3.0
v3.3.1
v3.3.2
v4.*
v4.0.0
v4.0.1
v4.0.2
v4.0.3
v4.1.0
v4.1.1
v4.1.2
v4.1.3
v4.1.4
v4.10.0
v4.10.1
v4.11.0
v4.11.1
v4.12.0
v4.12.1
v4.12.2
v4.12.3
v4.13.0
v4.13.1
v4.14.0
v4.15.0
v4.15.1
v4.15.2
v4.15.3
v4.16.0
v4.16.1
v4.16.2
v4.16.3
v4.17.0
v4.17.1
v4.17.2
v4.17.3
v4.18.0
v4.19.0
v4.19.1
v4.2.0
v4.2.1
v4.2.2
v4.3.0
v4.3.1
v4.3.2
v4.3.3
v4.4.0
v4.5.0
v4.6.0
v4.6.1
v4.6.2
v4.6.3
v4.6.4
v4.6.5
v4.6.6
v4.7.0
v4.7.1
v4.7.2
v4.7.3
v4.7.4
v4.7.5
v4.7.6
v4.8.0
v4.8.1
v4.9.0
v4.9.1
v4.9.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109374.json"