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Vulnerability record · CVE-2026-28792 · published 12 March 2026

CVE-2026-28792: Ssw tinacms\/cli path traversal vulnerability

Ssw · Tinacms\/Cli

Tina is a headless content management system. Prior to 2.1.8 , the TinaCMS CLI dev server combines a permissive CORS configuration (Access-Control-Allow-Origin: *) with the path traversal vulnerability (previously reported) to enable a browser-based drive-by attack. A remote attacker can enumerate the filesystem, write arbitrary files, and delete arbitrary files on developer's machines by simply tricking them into visiting a malicious website while tinacms dev is running. This vulnerability is fixed in 2.1.8.

9.6 CVSS 3.1 Critical EPSS 0.63% · top 52.0% CWE-22 · Path traversalCWE-942 · CWE-942
9.6CVSS 3.1 base score
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Tina is a headless content management system. Prior to 2.1.8 , the TinaCMS CLI dev server combines a permissive CORS configuration (Access-Control-Allow-Origin: *) with the path traversal vulnerability (previously reported) to enable a browser-based drive-by attack. A remote attacker can enumerate the filesystem, write arbitrary files, and delete arbitrary files on developer's machines by simply tricking them into visiting a malicious website while tinacms dev is running. This vulnerability is fixed in 2.1.8.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/tinacms/tinacms/security/advisories/GHSA-8pw3-9m7f-q734 ExploitVendor Advisory
https://github.com/tinacms/tinacms/security/advisories/GHSA-8pw3-9m7f-q734 ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-28792), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.