CVE-2026-71518

Summary

Typemill before 2.26.0 contains an authorization bypass vulnerability in the media file download route that allows unauthenticated attackers to access restricted files by submitting path-equivalent URL variants. Attackers can substitute normalized path forms such as dot-slash prefixes, double slashes, or percent-encoded sequences to pass role-based restriction checks while the filesystem resolves the request to the protected file, enabling unauthorized file download without credentials.

Affected Software

Weaknesses

• CWE-863: Incorrect Authorization

References

• https://github.com/typemill/typemill/releases/tag/v2.26.0
• https://github.com/typemill/typemill/commit/8c621063b4697a94342cb0a4b3905adda60e3d25
• https://www.vulncheck.com/advisories/typemill-authorization-bypass-via-media-file-download-route

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