# CVE-2026-7876: Authentication bypass vulnerability found in Aspera High-Speed Transfer Server for Cloud Pak for Integration

> Attackers can bypass authentication to access unauthorized files on IBM Aspera HSTS servers if specific restrictions are not configured.

- **Severity:** Critical 9.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 May 2026
- **Updated:** 11 Jun 2026
- **Also known as:** GHSA-r5m9-vqmc-c77r

## What is CVE-2026-7876?

CVE-2026-7876 is a critical authentication bypass vulnerability in IBM Aspera HSTS for CP4I, published on 27 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

IBM Aspera HSTS for CP4I 1.5.1 through 1.5.19 is affected by an authentication bypass vulnerability. A transfer client may be able to take advantage of this vulnerability to access files in the server's local storage that they should not have access to, when specific restriction settings are not in place.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-7876?

It affects 1 product.


Products: Ibm Aspera High-Speed Transfer Server for Cloud Pak for Integration.

## How do I fix CVE-2026-7876?

No fix has been published for CVE-2026-7876 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-7876 being exploited?

There is no known exploitation of CVE-2026-7876 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-7876 and fix it if it is affected.

What it is: CVE-2026-7876 is a critical authentication bypass vulnerability in IBM Aspera HSTS for CP4I, published on 27 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-7876 in the wild and no public exploit code.

Affected product: IBM Aspera HSTS for CP4I. 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-2026-7876/ (Markdown: https://insights.sbomify.com/CVE-2026-7876/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-7876
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7876
- OSV: https://osv.dev/vulnerability/CVE-2026-7876

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-7876/
Summaries are generated and may contain mistakes; the official description above is the record.