> CVE-2026-3748 [MEDIUM]

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PUBLISHED
2026-03-08 16:16
MODIFIED
2026-03-08 16:16
CVSS_SCORE V3
5.3
EPSS (Prob. Exploit)
0.55%
Top 53.9%
DATA SOURCES:
NVD 🔗 2026-03-08 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-08 OSV 🔗 2026-11-08

> DESCRIPTION

A security flaw has been discovered in Bytedesk up to 1.3.9. This affects the function uploadFile of the file source-code/src/main/java/com/bytedesk/core/upload/UploadRestController.java of the component SVG File Handler. Performing a manipulation results in unrestricted upload. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.4.5.1 is able to mitigate this issue. The patch is named 975e39e4dd527596987559f56c5f9f973f64eff7. Upgrading the affected component is recommended.

> 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:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
Low (L)
Authentifié avec compte utilisateur basique
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
Low (L)
Divulgation limitée d'informations
I (Impact Intégrité)
Integrity Impact
Low (L)
Modification limitée des données possible
A (Impact Disponibilité)
Availability Impact
Low (L)
Interruption partielle du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
Low
Divulgation limitée d'informations
Intégrité
Low
Modification limitée des données possible
Disponibilité
Low
Interruption partielle du service possible

> WEAKNESSES

CWE-284 CWE-434

> CWE DETAILED DESCRIPTIONS

CWE-284: Improper Access Control - The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. | CWE-434: Unrestricted Upload of File with Dangerous Type - The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Bytedesk SVG File UploadRestController.java uploadFile unrestricted upload

AFFECTED PACKAGES:
Unknown / Unknown
9 versions affected

> HISTORIQUE DES MODIFICATIONS

Première apparition
08/03/2026 16:16
Source: NVD
📊 ENRICHISSEMENT 01/04/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-284: Improper Access Control - The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. | CWE-434: Unrestricted Upload of File with Dangerous Type - ...
Total des modifications: 1 Dernière mise à jour: 7 months ago

> REFERENCES

https://github.com/Bytedesk/bytedesk/
https://github.com/Bytedesk/bytedesk/commit/975e39e4dd527596987559f56c5f9f973f64...
https://github.com/Bytedesk/bytedesk/issues/18
https://github.com/Bytedesk/bytedesk/issues/18#issue-3993448721
https://github.com/Bytedesk/bytedesk/issues/18#issuecomment-3976672973
https://github.com/Bytedesk/bytedesk/releases/tag/v1.4.5.1
https://vuldb.com/?ctiid.349726
https://vuldb.com/?id.349726
https://vuldb.com/?submit.768028
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