> CVE-2026-53459 [CRITICAL]

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PUBLISHED
2026-09-15 18:17
MODIFIED
2026-09-15 18:17
CVSS_SCORE V3
9.3
EPSS (Prob. Exploit)
0.76%
Top 45.1%
DATA SOURCES:
NVD đź”— 2026-09-15 CWE MITRE đź”— 2026-10-01 FIRST EPSS đź”— 2026-10-25 OSV đź”— 2026-09-22

> 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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

> MÉTRIQUES CVSS DÉTAILLÉES

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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-636 CWE-755

> CWE DETAILED DESCRIPTIONS

CWE-636: Not Failing Securely ('Failing Open') - When the product encounters an error condition or failure, its design requires it to fall back to a state that is less secure than other options that are available, such as selecting the weakest encryption algorithm or using the most permissive access control restrictions. | CWE-755: Improper Handling of Exceptional Conditions - The product does not handle or incorrectly handles an exceptional condition.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

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

AFFECTED PACKAGES:
Unknown / Unknown
62 versions affected
ALIASES:
GHSA-6mf4-q26m-47pv

> HISTORIQUE DES MODIFICATIONS

Première apparition
15/09/2026 18:17
Source: NVD
📊 ENRICHISSEMENT 01/10/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-636: Not Failing Securely ('Failing Open') - When the product encounters an error condition or failure, its design requires it to fall back to a state that is less secure than other options that a...
Total des modifications: 1 Dernière mise à jour: 3 weeks ago

> REFERENCES

https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd03...
https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd03...
https://github.com/maziggy/bambuddy/blob/main/CHANGELOG.md
https://github.com/maziggy/bambuddy/commit/845ad39b19bf99afeea571c6bae09695777e1...
https://github.com/maziggy/bambuddy/releases/tag/v0.2.4.4
https://github.com/maziggy/bambuddy/security/advisories/GHSA-6mf4-q26m-47pv
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