CVE-2025-52639 HCL Connections is vulnerable to sensitive information disclosure
An attacker can obtain sensitive information they are not entitled to due to improper rendering of application data in HCL Connections.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-52639?
CVE-2025-52639 is a low-severity vulnerability in HCL Software Connections, published on 18 Nov 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
HCL Connections is vulnerable to a sensitive information disclosure vulnerability which could allow a user to obtain sensitive information they are not entitled to, caused by improper rendering of application data.
Weakness: CWE-201
Which versions are affected by CVE-2025-52639?
It affects 1 product.
Products include Hcltech Connections.
How do I fix CVE-2025-52639?
No fix has been published for CVE-2025-52639 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-52639 being exploited?
There is no known exploitation of CVE-2025-52639 in the wild and no public exploit code.
Other vulnerabilities in HCL Software Connections
- CVE-2020-4085 Information disclosure in "HCL Connections"
- CVE-2019-4209 Open redirect in HCL Connections
- CVE-2023-28018 HCL Connections s vulnerable to possible denial of service for certain users
- CVE-2020-4083 Information disclosure in "HCL Connections"
- CVE-2026-21788 HCL Connections is vulnerable to cross-site scripting (XSS)
Sources
Also known as GHSA-8vrm-72pg-2598.