{"id":"CVE-2026-53459","title":"Bambuddy is a self-hosted print archive and management system for Bambu Lab 3D printers","summary":"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 flood…","severity":"critical","cvss":9.3,"cvssVector":"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","cwe":["CWE-636","CWE-755"],"vendor":"maziggy","product":"bambuddy","affected":["bambuddy >= 0.1.6, < 0.2.4.4"],"published":"2026-09-15","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:16:42.160","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53459","references":[{"url":"https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd032/backend/app/core/auth.py#L473-L483","label":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd032/backend/app/main.py#L5314-L5316","label":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/blob/main/CHANGELOG.md","label":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/commit/845ad39b19bf99afeea571c6bae09695777e1460","label":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/releases/tag/v0.2.4.4","label":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/security/advisories/GHSA-6mf4-q26m-47pv","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-17T16:30:00.814754Z"},"cvssSource":"cna","epss":0.00419,"epssPercentile":0.35739,"ingestedAt":"2026-09-15T17:41:02.966Z","slug":"CVE-2026-53459","body":"## Overview\n\nBambuddy 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":51.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}