# CVE-2026-56458: HCL DevOps Deploy is susceptible to a Permissive Cross-domain Security Policy with Untrusted Domains

> Attackers can exploit permissive CORS settings in HCL DevOps Deploy to access sensitive data and perform privileged actions from untrusted domains.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N`)
- **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:** 9 Jul 2026
- **Updated:** 9 Jul 2026
- **Also known as:** GHSA-wq5v-cw79-773m

## What is CVE-2026-56458?

CVE-2026-56458 is a medium-severity vulnerability in HCLSoftware HCL DevOps Deploy, published on 9 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 DevOps Deploy uses Cross-Origin Resource Sharing (CORS) which could allow an attacker to carry out privileged actions and retrieve sensitive information as the domain name is not being limited to only trusted domains.

Weakness: CWE-942 (Permissive Cross-domain Security Policy with Untrusted Domains)

## Which versions are affected by CVE-2026-56458?

It affects 1 product.


Products: Hcltechsw Hcl Devops Deploy.

## How do I fix CVE-2026-56458?

No fix has been published for CVE-2026-56458 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-56458 being exploited?

There is no known exploitation of CVE-2026-56458 in the wild and no public exploit code.

## Other vulnerabilities in HCLSoftware HCL DevOps Deploy

- [CVE-2025-0255](https://insights.sbomify.com/CVE-2025-0255/): HCL DevOps Deploy / HCL Launch is susceptible to command injection vulnerability (high 7.2)
- [CVE-2026-56460](https://insights.sbomify.com/CVE-2026-56460/): HCL DevOps Deploy / HCL Launch is susceptible to an Insertion of Sensitive Information Into Sent Data vulnerability (medium 6.5)
- [CVE-2025-0257](https://insights.sbomify.com/CVE-2025-0257/): HCL DevOps Deploy / HCL Launch is susceptible to unauthorized access to other services (medium 6.3)
- [CVE-2024-23558](https://insights.sbomify.com/CVE-2024-23558/): HCL DevOps Deploy / HCL Launch does not invalidate all session authentication cookies after logout (medium 6.3)
- [CVE-2026-56459](https://insights.sbomify.com/CVE-2026-56459/): HCL DevOps Deploy / HCL Launch is susceptible to sensitive information disclosure (medium 6.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-56458 and fix it if it is affected.

What it is: CVE-2026-56458 is a medium-severity vulnerability in HCLSoftware HCL DevOps Deploy, published on 9 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-2026-56458 in the wild and no public exploit code.

Affected product: HCLSoftware HCL DevOps Deploy. 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-2026-56458/ (Markdown: https://insights.sbomify.com/CVE-2026-56458/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-56458
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-56458
- OSV: https://osv.dev/vulnerability/CVE-2026-56458

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-56458/
Summaries are generated and may contain mistakes; the official description above is the record.