Papermerge 3.5.3 allows remote code execution by a standard user via directory traversal in a /api/documents/upload call. A Python .pth file can be written to site-packages, and its code is executed upon the next start of the Python interpreter.
{
"cna_assigner": "mitre",
"cwe_ids": [
"CWE-24"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105314.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "3.5.3"
}
],
"source": "AFFECTED_FIELD",
"strategy": "ZeroIntroducedSingleVersion"
}
]
}