CVE-2025-52603 HCL Connections is vulnerable to information disclosure
An attacker can obtain limited internal metadata through a specific user navigation scenario 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-2025-52603?
CVE-2025-52603 is a low-severity vulnerability in HCLSoftware Connections, published on 20 Feb 2026. 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 information disclosure. In a very specific user navigation scenario, this could allow a user to obtain limited information when a single piece of internal metadata is returned in the browser.
Weakness: CWE-213
Which versions are affected by CVE-2025-52603?
It affects 1 product.
Products include Hcltech Connections.
How do I fix CVE-2025-52603?
No fix has been published for CVE-2025-52603 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-52603 being exploited?
There is no known exploitation of CVE-2025-52603 in the wild and no public exploit code.
Other vulnerabilities in HCLSoftware 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-vg7x-9fx9-rhfv.