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CVE-2026-21850— 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 存在一项漏洞，攻击者可利用未经适当过滤的 CR/LF 字符，将用户可控的输入注入到 HTTP 响应头中。在特定条件下，这可能允许攻击者注入自定义响应头或分割响应，从而导致非预期行为或产生安全影响。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-21850

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 user-controlled input could be included in HTTP response headers without proper neutralization of CR/LF characters. This may allow an attacker to inject headers or split responses, 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:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP头部中CRLF序列转义处理不恰当(HTTP响应分割)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HCL Software HCL AION V 2.6.0 -

II. Public POCs for CVE-2026-21850

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III. Intelligence Information for CVE-2026-21850

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Other References for CVE-2026-21850 (1)

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

CVE-2026-66981 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-113