CVE-2026-21834 | BDVDB-2026-400903 Detail
HCL SoftwareHCL AION
Description#
HCL AION is affected by a vulnerability where the Content-Security-Policy (CSP) security response header was missing from application responses. Without this header, the browser does not restrict the sources of scripts and other content, increasing exposure to cross-site scripting and content-injection attacks, potentially resulting in unintended behavior or security impact under certain conditions.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.
Weaknesses#
- CWE-1021 Improper Restriction of Rendered UI Layers or Frames
References#
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.