---
title: "CVE-2026-52622: Wellav Technologies Co., Ltd Wellav WES Emergency Broadcast Terminal - Information Disclosure"
description: "Wellav Technologies Co., Ltd Wellav WES Emergency Broadcast Terminal WES100, WES270, WES280, and WES290 < 08-08-2023 contain an information disclosure caused by improper protection in the global API request wrapper function, letting remote attackers obtain sensitive information, exploit requires no special privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-52622/
---

# CVE-2026-52622 Wellav Technologies Co., Ltd Wellav WES Emergency Broadcast Terminal - Information Disclosure

Wellav Technologies Co., Ltd Wellav WES Emergency Broadcast Terminal WES100, WES270, WES280, and WES290 < 08-08-2023 contain an information disclosure caused by improper protection in the global API request wrapper function, letting remote attackers obtain sensitive information, exploit requires no special privileges.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.30% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-52622)

## Details

Type

Information Disclosure

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published

25 September 2026

Updated

15 October 2026

Weakness

[CWE-200](https://cwe.mitre.org/data/definitions/200.html)

## Vendor fix

Update to version released after 08-08-2023 or latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-52622](https://nvd.nist.gov/vuln/detail/CVE-2026-52622)
- [https://jl-zhenlaixiaowei.blog.csdn.net/article/details/166365472?spm=1001.2014.3001.5502](https://jl-zhenlaixiaowei.blog.csdn.net/article/details/166365472?spm=1001.2014.3001.5502)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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