Tina is a headless content management system. Prior to version 2.2.2, @tinacms/cli recently added lexical path-traversal checks to the dev media routes, but the implementation still validates only the path string and does not resolve symlink or junction targets. If a link already exists under the media root, Tina accepts a path like pivot/written-from-media.txt as "inside" the media directory and then performs real filesystem operations through that link target. This allows out-of-root media listing and write access, and the same root cause also affects delete. This issue has been patched in version 2.2.2.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-22",
"CWE-59"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34603.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:ssw:tinacms\\/cli:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.2.1"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "f124eabaca10dac9a4d765c9e4135813c4830955"
}
],
"source": "REFERENCES_COMMIT"
}
]
}