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CVE-2026-66981— HCL AION is affected by multiple security vulnerabilities.

Quick assessment

Affected
HCL Software HCL 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 存在一个安全漏洞：该应用程序在未进行验证的情况下，信任了请求中提供的 HTTP Host 头字段的值。攻击者可通过篡改此头字段，影响应用程序生成的链接、重定向或响应，从而在特定条件下导致非预期行为或造成安全影响。

CVSS 6.5 · Medium
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I. Basic Information for CVE-2026-66981

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 the application trusted the value of the HTTP Host header supplied in requests without validation. An attacker could manipulate this header to influence links, redirects or responses generated by the application, 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:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HCL Software HCL AION V 2.7.0 -

II. Public POCs for CVE-2026-66981

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III. Intelligence Information for CVE-2026-66981

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Other References for CVE-2026-66981 (1)

Same Patch Batch · HCL Software · 2026-11-06 · 22 CVEs total

CVE-2026-21850 6.5 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35110 5.4 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-66987 5.3 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35111 4.8 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35113 4.8 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35102 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35103 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35104 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35105 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35106 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35107 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35112 4.2 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35114 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-5345 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-21849 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35109 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35115 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-66982 3.3 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-66986 3.3 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-21834 3.1 LOW HCL AION is affected by multiple security vulnerabilities.

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: HCL AION
Same vendor: HCL Software
Same weakness: CWE-74