CVE-2026-28792 — Path Traversal in CLI

CWE-22 — Path TraversalCWE-942 — Permissive Cross-domain Security Policy with Untrusted Domains5 documents5 sources
Severity
9.6CRITICALNVD
EPSS
0.3%
top 45.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tinacms CLISSW Tinacms CLI
Timeline
PublishedMar 12

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 f…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 2.8 | Impact: 6.0

Affected Packages3 packages

▶CVEListV5tinacms/cli< 2.1.8
▶npmtinacms/cli< 2.1.8
▶NVDssw/tinacms_cli< 2.1.8

🔴Vulnerability Details

3
GHSA
TinaCMS CLI Dev Server Vulnerable to Cross-Origin File Exfiltration via CORS Misconfiguration + Path Traversal in TinaCMS↗2026-03-12
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CVEList
Cross-Origin File Exfiltration via CORS Misconfiguration + Path Traversal in TinaCMS↗2026-03-12
▶
OSV
TinaCMS CLI Dev Server Vulnerable to Cross-Origin File Exfiltration via CORS Misconfiguration + Path Traversal in TinaCMS↗2026-03-12
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-28792 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-28792 — Path Traversal in Tinacms CLI | cvebase