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CVE-2026-82543— vastsa FileCodeBox Pickup Limit views.py update_file_usage race condition

Quick assessment

Affected
vastsa FileCodeBox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 vastsa FileCodeBox 2.3 及更早版本中发现了一个漏洞。该漏洞影响组件“拾取限制处理器”（Pickup Limit Handler）中 文件中的 函数。执行特定操作会引发竞态条件（race condition）。此攻击可远程发起。利用方式现已公开，可能被利用。升级到 2.5.0 版本可解决此问题。补丁编号为 8d7d856c62d73badd0797eb4daec8d2ff10a403a。建议升级受影响的组件。

CVSS 7.3 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-82543

Vulnerability Information
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Vulnerability Title
vastsa FileCodeBox Pickup Limit views.py update_file_usage race condition
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in vastsa FileCodeBox up to 2.3. This vulnerability affects the function update_file_usage of the file apps/base/views.py of the component Pickup Limit Handler. Performing a manipulation results in race condition. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2.5.0 is able to resolve this issue. The patch is named 8d7d856c62d73badd0797eb4daec8d2ff10a403a. Upgrading the affected component is recommended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
vastsa FileCodeBox 2.0 cpe:2.3:a:vastsa:filecodebox:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82543

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III. Intelligence Information for CVE-2026-82543

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Patches & Fixes for CVE-2026-82543 (2)

Proof of Concept for CVE-2026-82543 (1)

News Coverage for CVE-2026-82543 (1)

Vendor Pages for CVE-2026-82543 (1)

Other References for CVE-2026-82543 (3)

IV. Related Vulnerabilities

Same product: FileCodeBox
Same vendor: vastsa
Same weakness: CWE-362

V. Comments for CVE-2026-82543

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