# CVE-2025-55251: HCL AION is affected by an Unrestricted File Upload vulnerability

> Attackers can upload malicious files to HCL AION, potentially leading to unauthorized code execution and system compromise.

- **Severity:** Low 3.1 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 19 Jan 2026
- **Updated:** 20 Jan 2026
- **Also known as:** GHSA-7g5p-hwp2-2wpx

## What is CVE-2025-55251?

CVE-2025-55251 is a low-severity vulnerability in HCL Software AION, published on 19 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

HCL AION is affected by an Unrestricted File Upload vulnerability. This can allow malicious file uploads, potentially resulting in unauthorized code execution or system compromise.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2025-55251?

It affects 1 product.


Products: Hcltech Aion.

## How do I fix CVE-2025-55251?

No fix has been published for CVE-2025-55251 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-55251 being exploited?

There is no known exploitation of CVE-2025-55251 in the wild and no public exploit code.

## Other vulnerabilities in HCL Software AION

- [CVE-2025-52650](https://insights.sbomify.com/CVE-2025-52650/): HCL AION is susceptible to Inline script execution allowed in CSP vulnerability (high 8.2)
- [CVE-2025-52632](https://insights.sbomify.com/CVE-2025-52632/): HCL AION is susceptible to Missing Secure Attribute in Encrypted Session (SSL) Cookie vulnerability (medium 6.5)
- [CVE-2025-52644](https://insights.sbomify.com/CVE-2025-52644/): HCL AION is affected by a vulnerability where certain user actions are not adequately audited or logged. (medium 5.8)
- [CVE-2025-52627](https://insights.sbomify.com/CVE-2025-52627/): HCL AION is susceptible to Incorrect Permission Assignment for Critical Resource (medium 5.5)
- [CVE-2025-52624](https://insights.sbomify.com/CVE-2025-52624/): HCL AION is susceptible to Bypass of the script allow list configuration vulnerability (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-55251 and fix it if it is affected.

What it is: CVE-2025-55251 is a low-severity vulnerability in HCL Software AION, published on 19 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-55251 in the wild and no public exploit code.

Affected product: HCL Software AION. 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-2025-55251/ (Markdown: https://insights.sbomify.com/CVE-2025-55251/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-55251
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-55251
- OSV: https://osv.dev/vulnerability/CVE-2025-55251

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-55251/
Summaries are generated and may contain mistakes; the official description above is the record.