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CVE-2026-28792

Cross-Origin File Exfiltration via CORS Misconfiguration + Path Traversal in TinaCMS PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
@tinacms / cliaffected < 2.1.8

CWE

CWE-22, CWE-942

References

ADP enrichment

CISA-ADP

No English description supplied.