Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package could expose sensitive information in Scaffolder task failure events. Under specific template and failure conditions, an authenticated user may retrieve backend-managed credentials used during task execution from affected task events. This issue is fixed in version 4.1.0.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-532"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/106xxx/CVE-2026-106502.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"fixed": "4.1.0"
}
],
"source": "AFFECTED_FIELD"
}
]
}