# CVE-2026-35148: HCL DFXServer is affected by a Missing Access Control vulnerability

> Unauthenticated network users can access sensitive APIs and interact with HCL DFXServer without identity verification.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 16 Jul 2026
- **Updated:** 16 Jul 2026
- **Also known as:** GHSA-3rj8-qrpc-rrvr

## What is CVE-2026-35148?

CVE-2026-35148 is a medium-severity missing authorization vulnerability in HCL Software DFXServer, published on 16 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

HCL DFXServer is affected by a Missing Access Control vulnerability. This vulnerability states that certain endpoints are accessible without any form of authentication in another browser. This allows any network user to invoke these APIs and interact with the application without verification of their identity or authorization level.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-35148?

It affects 1 product.


Products: Hcltech Dfx Server.

## How do I fix CVE-2026-35148?

No fix has been published for CVE-2026-35148 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-35148 being exploited?

There is no known exploitation of CVE-2026-35148 in the wild and no public exploit code.

## Other vulnerabilities in HCL Software DFXServer

- [CVE-2026-35147](https://insights.sbomify.com/CVE-2026-35147/): HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access. (high 8.2)
- [CVE-2026-35149](https://insights.sbomify.com/CVE-2026-35149/): HCL DFXServer is affected by an Authentication Bypass vulnerability via server response manipulation. (high 8.2)
- [CVE-2026-35146](https://insights.sbomify.com/CVE-2026-35146/): HCL DFXServer is affected by an Unencrypted Communication vulnerability. (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-35148 and fix it if it is affected.

What it is: CVE-2026-35148 is a medium-severity missing authorization vulnerability in HCL Software DFXServer, published on 16 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-35148 in the wild and no public exploit code.

Affected product: HCL Software DFXServer. 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-2026-35148/ (Markdown: https://insights.sbomify.com/CVE-2026-35148/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-35148
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-35148
- OSV: https://osv.dev/vulnerability/CVE-2026-35148

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-35148/
Summaries are generated and may contain mistakes; the official description above is the record.