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CVE-2026-82924— PII Enumeration via Missing Rate Limiting in Pusula Communication's Expert Mail

Quick assessment

Affected
Pusula Communication, IT, and Internet Industry and Trade Co. Ltd. Expert Mail
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.

Pusula Communication、IT 以及互联网行业与贸易有限公司（Pusula Communication, IT, and Internet Industry and Trade Co. Ltd.）的 Expert Mail 存在频率控制不当漏洞，可被用于暴力破解攻击。 该问题影响 Expert Mail 产品（截至 2026 年 9 月 18 日及之前版本）。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force

Affected Version Matrix 1

VendorProduct Version RangeStatus
Pusula Communication, IT, and Internet Industry and Trade Co. Ltd. Expert Mail ≤ 2026-09-18 affected
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I. Basic Information for CVE-2026-82924

Vulnerability Information
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Vulnerability Title
PII Enumeration via Missing Rate Limiting in Pusula Communication's Expert Mail
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Control of Interaction Frequency vulnerability in Pusula Communication, IT, and Internet Industry and Trade Co. Ltd. Expert Mail allows Brute Force. This issue affects Expert Mail: through 2026-09-18.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
交互频率的控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Pusula Communication, IT, and Internet Industry and Trade Co. Ltd. Expert Mail 0 ~ 2026-09-18 -

II. Public POCs for CVE-2026-82924

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-82924

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Vendor Advisories for CVE-2026-82924 (1)

IV. Related Vulnerabilities

Same weakness: CWE-799

V. Comments for CVE-2026-82924

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