CVE-2026-53459

Bambuddy's authentication fails open on database errors, allowing unauthenticated access to all endpoints

Published Sep 15, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
Bambuddy is a self-hosted print archive and management system for Bambu Lab 3D printers. Starting in version 0.1.6 and prior to version 0.2.4.4, a fail-open in the authentication code allows any attacker to bypass authentication by flooding a public endpoint to exhaust resources causing database access to fail, granting unauthenticated access to all protected endpoints. Version 0.2.4.4 patches the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Maziggy
Maziggy bambuddy
Vendors & Products Maziggy
Maziggy bambuddy
Type Values Removed Values Added
Description Bambuddy is a self-hosted print archive and management system for Bambu Lab 3D printers. Starting in version 0.1.6 and prior to version 0.2.4.4, a fail-open in the authentication code allows any attacker to bypass authentication by flooding a public endpoint to exhaust resources causing database access to fail, granting unauthenticated access to all protected endpoints. Version 0.2.4.4 patches the issue.
Title Bambuddy's authentication fails open on database errors, allowing unauthenticated access to all endpoints
Weaknesses CWE-636
CWE-755
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Sep 17, 2026, 4:30 PM
Reserved
Jun 9, 2026, 4:31 PM
Status
Deferred
Published
Sep 15, 2026, 6:17 PM
Modified
Sep 29, 2026, 7:07 PM