{"id":"CVE-2026-53459","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-53459","generatedAt":"2026-09-20T15:05:36.360Z","title":"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…","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.","published":"2026-09-15T18:17:22.000Z","lastModified":"2026-09-17T17:16:42.000Z","status":"Received","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"4.0","score":9.3,"severity":"CRITICAL","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-636","CWE-755"],"affected":[],"epss":{"score":0.00419,"percentile":0.35841,"date":"2026-09-19","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd032/backend/app/core/auth.py#L473-L483","source":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd032/backend/app/main.py#L5314-L5316","source":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/blob/main/CHANGELOG.md","source":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/commit/845ad39b19bf99afeea571c6bae09695777e1460","source":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/releases/tag/v0.2.4.4","source":"security-advisories@github.com"},{"url":"https://github.com/maziggy/bambuddy/security/advisories/GHSA-6mf4-q26m-47pv","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53459","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}