CVE-2025-56263

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-09-16 · updated 2026-06-17
Weakness: CWE-434

Description

by-night sms V1.0 has an Arbitrary File Upload vulnerability. The /api/sms/upload/headImg endpoint allows uploading arbitrary files. Users can upload files of any size and type.

Affected products

By-Night Sms: 1.0

References

https://github.com/by-night/sms/issues/50
https://github.com/echo0d/vulnerability/blob/main/by-night_sms/fileUpload.md

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