- CVSS
- MEDIUM · 4.3v3.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Published
- 2026-08-13
- Source
- nvd.nist.gov/vuln/detail/CVE-2026-21832
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.
References
How GTK Cyber trains on this
AI security training at GTK Cyber covers the LLM and ML-pipeline vulnerability classes that vulnerabilities like CVE-2026-21832 fall into. Our hands-on courses are taught by Charles Givre and other practitioners who break and defend production AI systems.