A vulnerability classified as critical was found in Upsonic up to 0.55.6. This vulnerability affects the function os.path.join of the file markdown/server.py. The manipulation of the argument file.filename leads to path traversal. The exploit has been disclosed to the public and may be used.
{
"cna_assigner": "VulDB",
"cwe_ids": [
"CWE-22"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6278.json"
}{
"extracted_events": [
{
"introduced": "0.55.0"
},
{
"last_affected": "0.55.0"
},
{
"introduced": "0.55.1"
},
{
"last_affected": "0.55.1"
},
{
"introduced": "0.55.2"
},
{
"last_affected": "0.55.2"
},
{
"introduced": "0.55.3"
},
{
"last_affected": "0.55.3"
},
{
"introduced": "0.55.4"
},
{
"last_affected": "0.55.4"
},
{
"introduced": "0.55.5"
},
{
"last_affected": "0.55.5"
},
{
"introduced": "0.55.6"
},
{
"last_affected": "0.55.6"
},
{
"introduced": "0"
}
],
"cpe": "cpe:2.3:a:upsonic:upsonic:*:*:*:*:*:*:*:*",
"source": [
"AFFECTED_FIELD",
"CPE_RANGE"
]
}