CVE-2025-52659

Sensitive-content exposure via cacheable HTTP response handling

Published Jan 19, 2026 · Updated Jan 19, 2026

Cacheable HTTP response handling in HCL AION 2 allows local users to cause unintended storage of sensitive or dynamic content. HCL has not disclosed the affected endpoint or the specific response headers or cache controls that permit this storage. HCL's description warns of unauthorized access or information disclosure, while its local, low-privileged, user-interaction-required CVSS assessment reports only limited service interruption.

CVSS severity2.8
Low
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cacheable HTTP response handling in HCL AION 2 allows local users to cause unintended storage of sensitive or dynamic content. HCL has not disclosed the affected endpoint or the specific response headers or cache controls that permit this storage. HCL's description warns of unauthorized access or information disclosure, while its local, low-privileged, user-interaction-required CVSS assessment reports only limited service interruption.

The record

CVE
CVE-2025-52659
Published
Jan 19, 2026
Updated
Jan 19, 2026
Vendor
HCL Software
Product
HCL AION
Classifications
CWE-525
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 19, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

HCL Software · HCL AIONversion=2

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
2.8HCL SoftwareCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-525Use of Web Browser Cache Containing Sensitive Information

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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