CVE-2026-24479

HUSTOF is an open source online judge based on PHP/C++/MySQL/Linux for ACM/ICPC and NOIP training. Prior to version 26.01.24, the problem_import_qduoj.php and problem_import_hoj.php modules fail to properly sanitize filenames within uploaded ZIP archives. Attackers can craft a malicious ZIP file containing files with path traversal sequences (e.g., ../../shell.php). When extracted by the server, this allows writing files to arbitrary locations in the web root, leading to Remote Code Execution (RCE). Version 26.01.24 contains a fix for the issue.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f	Patch
https://github.com/zhblue/hustoj/security/advisories/GHSA-xmgg-2rw4-7fxj	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:hustoj:hustoj:*:*:*:*:*:*:*:*

History

02 Mar 2026, 21:32

Type	Values Removed	Values Added
References	~~() https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f -~~	() https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f - Patch
References	~~() https://github.com/zhblue/hustoj/security/advisories/GHSA-xmgg-2rw4-7fxj -~~	() https://github.com/zhblue/hustoj/security/advisories/GHSA-xmgg-2rw4-7fxj - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
CPE		cpe:2.3:a:hustoj:hustoj::::::::
First Time		Hustoj hustoj Hustoj

27 Jan 2026, 01:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-27 01:16

Updated : 2026-03-02 21:32

NVD link : CVE-2026-24479

Mitre link : CVE-2026-24479

CVE.ORG link : CVE-2026-24479

JSON object : View

Products Affected

hustoj

hustoj

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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