What is CVE-2026-34603?

CVE-2026-34603 is a high-severity vulnerability in Tinacms, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-04-01.

How severe is CVE-2026-34603?

High severity. CVSS v3 base score is 7.1 out of 10.

Path Traversal in Tinacms

CVE-2026-34603

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 symli…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (24.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Tinacms — versions < 2.2.2

Weakness classification (CWE)

References

https://github.com/tinacms/tinacms/security/advisories/GHSA-g87c-r2jp-293w (x_refsource_CONFIRM)
https://github.com/tinacms/tinacms/commit/f124eabaca10dac9a4d765c9e4135813c4830955 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-34603?: CVE-2026-34603 is a high-severity vulnerability in Tinacms, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-04-01.
How severe is CVE-2026-34603?: High severity. CVSS v3 base score is 7.1 out of 10.