CVE-2025-52640 HCL AION is affected by multiple security vulnerabilities.

Medium 4.7 Published Updated

Insufficient access separation in shared storage allows processes to access or modify files beyond their intended scope.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-52640?

CVE-2025-52640 is a medium-severity missing authorization vulnerability in HCL Software AION, published on 13 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

HCL AION is affected by a vulnerability where the shared storage used by product components is architected without sufficient access separation. Processes sharing the storage may be able to access or modify files beyond their intended scope, potentially resulting in unintended behavior or security impact under certain conditions.

Weakness: CWE-276

Which versions are affected by CVE-2025-52640?

How do I fix CVE-2025-52640?

No fix has been published for CVE-2025-52640 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-52640 being exploited?

There is no known exploitation of CVE-2025-52640 in the wild and no public exploit code.

Sources

Also known as GHSA-cg9m-h438-9c8x.

Is CVE-2025-52640 in your software?

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