High severity · published Mar 16, 2026
CVE-2025-52636
HCL AION is affected by a improper handling of uploads files Size
7.5
CVSS
0.1%
EPSS
No
On KEV
Description
HCL AION is affected by a vulnerability related to the handling of upload size limits. Improper control or validation of upload sizes may allow excessive resource consumption, which could potentially lead to service degradation or denial-of-service conditions under certain scenarios.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
AION · HCL
2.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-52636
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-52636
Vendor Advisory
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129410
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