CVE-2026-45332

Automad Broken Access Control: unauthenticated exposure of administrator bcrypt password hashes and TOTP secrets via public API endpoint

State: Published
Severity: 7.5 High
Published: May 28, 2026
Updated: May 30, 2026
Reserved: May 11, 2026

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Description

Automad is a flat-file content management system and template engine. From 2.0.0-alpha.1 to 2.0.0-beta.27, a Broken Access Control vulnerability allows an unauthenticated attacker to retrieve the bcrypt password hash of every administrator account with a single POST request. The /_api/user-collection/create-first-user setup endpoint remains publicly accessible once initial configuration is complete and returns full serialized user data in the JSON response body. This vulnerability is fixed in 2.0.0-beta.28.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	GitHub_M

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
automadmarcantondahmen	>= 2.0.0-alpha.1, < 2.0.0-beta.28Affected

References

https://github.com/marcantondahmen/automad/security/advisories/GHSA-xm76-r88j-vm3g

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