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.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-346"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55669.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "4.0.0-rc.1"
},
{
"fixed": "4.15.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "3.4.12"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"original_tag": "v3.4.12",
"range": [
{
"fixed": "c6b7e67548cfec209d7e22cd6256b04ca6b02995"
}
],
"source": "REFERENCES_TAG"
},
{
"original_tag": "v4.15.2",
"range": [
{
"fixed": "c53d9774d4272d3cebeee4131012c20bd77b9dfb"
}
],
"source": "REFERENCES_TAG"
}
]
}