Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by remote code execution via crafted markdown_extensions in techdocs mkdocs.yml. An authenticated user who can register catalog entities can provide a crafted mkdocs.yml causing arbitrary OS command execution on the TechDocs build host when the docs are built. This issue is fixed in versions 1.14.6 and 1.15.4.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-183",
"CWE-470"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/106xxx/CVE-2026-106510.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"fixed": "1.14.6"
},
{
"introduced": "1.15.0"
},
{
"fixed": "1.15.4"
}
],
"source": "AFFECTED_FIELD"
}
]
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.50.5"
},
{
"introduced": "1.51.0-next.0"
},
{
"fixed": "1.54.6"
}
],
"source": "AFFECTED_FIELD"
}