CVE-2026-21832 HCL AION is affected by multiple security vulnerabilities.
Indirect prompt injection allows HTML injection in HCL AION rendered output, potentially leading to unintended behavior or security impacts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21832?
CVE-2026-21832 is a medium-severity cross-site scripting vulnerability in HCL Software AION, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-1427
Which versions are affected by CVE-2026-21832?
How do I fix CVE-2026-21832?
No fix has been published for CVE-2026-21832 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-21832 being exploited?
There is no known exploitation of CVE-2026-21832 in the wild and no public exploit code.
Sources
Also known as GHSA-6h97-xh8x-92q9.