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2.1

spring-boot-forum avatar upload can access unauthorized files

CVE-2026-96678 · published 26 days ago
Summary

The avatar upload feature in the spring-boot-forum application does not properly check the username field, allowing an attacker to trick the system into reading or writing files outside the intended folder. This could let a remote user view or change server files, which may expose sensitive data or disrupt service. Fix the code to strictly validate and sanitize the username or use a safe library, and apply any patches the developer releases as soon as they are available.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
weiqingwen spring-boot-forum 538eecc3c6b85fdf0768ab4e8354b48c0c17d94f
Original advisory text
weiqingwen spring-boot-forum Avatar Upload NewUserFormValidator.java validate path traversal
A security vulnerability has been detected in weiqingwen spring-boot-forum up to 538eecc3c6b85fdf0768ab4e8354b48c0c17d94f. Affected is the function validate of the file src/main/java/com/qingwenwei/util/NewUserFormValidator.java of the component Avatar Upload. The manipulation of the argument Username leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
2.1 Low
Exploitation
<1% chance of attack within 30 days
Type
CWE-22Path Traversal
Timeline
Published23 Sep 2026
Updated19 Oct 2026
First seen23 Sep 2026
Sources
CVE-2026-96678 · NVD
CVE-2026-96678 · MITRE
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