Medium severity · published Feb 3, 2026
CVE-2025-52633
HCL AION is susceptible to Missing Content-Security-Policy
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
HCL AION is affected by a Permanent Cookie Containing Sensitive Session Information vulnerability. It is storing sensitive session data in persistent cookies may increase the risk of unauthorized access if the cookies are intercepted or compromised. This issue affects AION: 2.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% 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-2025-52633
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-52633
Vendor Advisory
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0127972
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