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CVE-2026-21832— HCL AION is affected by multiple security vulnerabilities.

Quick assessment

Affected
HCL Software AION
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.

HCL AION是印度HCL公司的一个机器学习平台。 HCL AION v2.5.0版本存在提示词注入漏洞，该漏洞源于间接提示注入，可能导致HTML注入，注入的标记显示给用户，造成意外行为或安全影响。

CVSS 4.3 · Medium EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
HCL Software AION v2.5.0 affected
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I. Basic Information for CVE-2026-21832

Vulnerability Information
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Vulnerability Title
HCL AION is affected by multiple security vulnerabilities.
Source: CVE Program / CVE List V5
Vulnerability Description
HCL AION is affected by a vulnerability where indirect prompt injection can lead to HTML injection in rendered output. Injected markup may be displayed to users, potentially resulting in unintended behavior or security impact under certain conditions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1427
Source: CVE Program / CVE List V5
Vulnerability Title
HCL AION 提示词注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL AION是印度HCL公司的一个机器学习平台。 HCL AION v2.5.0版本存在提示词注入漏洞，该漏洞源于间接提示注入，可能导致HTML注入，注入的标记显示给用户，造成意外行为或安全影响。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HCL Software AION v2.5.0 -

II. Public POCs for CVE-2026-21832

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III. Intelligence Information for CVE-2026-21832

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Vendor Advisories for CVE-2026-21832 (1)

Same Patch Batch · HCL Software · 2026-08-13 · 5 CVEs total

CVE-2025-62314 5.6 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2025-52640 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2025-62318 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2025-62315 3.4 LOW HCL AION is affected by multiple security vulnerabilities.

IV. Related Vulnerabilities

Same product: AION
Same vendor: HCL Software
Same weakness: CWE-1427

V. Comments for CVE-2026-21832

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