CVE-2026-21850

medium

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.

References

https://github.com/blaxkmiradev/CVE-2026-21847-Hardcoded-AES-Encryption-Key-in-DPDC-Customer-Portal

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135118

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-118263

Details

Source: Mitre, NVD

Published: 2026-11-06

Updated: 2026-11-06

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.00219