# 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.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N`)
- **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 available:** No
- **Published:** 20 Feb 2026
- **Updated:** 20 Feb 2026
- **Also known as:** GHSA-vg7x-9fx9-rhfv

## 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 (Exposure of Sensitive Information Due to Incompatible Policies)

## Which versions are affected by CVE-2025-52603?

It affects 1 product.


Products: 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](https://insights.sbomify.com/CVE-2020-4085/): Information disclosure in "HCL Connections" (medium 6.5)
- [CVE-2019-4209](https://insights.sbomify.com/CVE-2019-4209/): Open redirect in HCL Connections (medium 6.1)
- [CVE-2023-28018](https://insights.sbomify.com/CVE-2023-28018/): HCL Connections s vulnerable to possible denial of service for certain users (medium 5.5)
- [CVE-2020-4083](https://insights.sbomify.com/CVE-2020-4083/): Information disclosure in "HCL Connections" (medium 5.5)
- [CVE-2026-21788](https://insights.sbomify.com/CVE-2026-21788/): HCL Connections is vulnerable to cross-site scripting (XSS) (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-52603 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2025-52603 in the wild and no public exploit code.

Affected product: HCLSoftware Connections. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-52603/ (Markdown: https://insights.sbomify.com/CVE-2025-52603/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-52603
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-52603
- OSV: https://osv.dev/vulnerability/CVE-2025-52603

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-52603/
Summaries are generated and may contain mistakes; the official description above is the record.