tinacms vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2026-55660Hightinacms: TinaCMS: Cross-origin postMessage handlers and rich-text URL-sanitization bypass enable stored XSS and session takeoverCVE-2026-55661Mediumtinacms: TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemesCVE-2026-28791Hightinacms: Tina: Path Traversal in Media Upload HandleCVE-2025-68278Hightinacms: tinacms is vulnerable to arbitrary code execution

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