CVE-2026-66088 Unrestricted Command Execution via system.execute
Critical 9.4
Published
Updated
Check this codebase for CVE-2026-66088 and fix it if it is affected.
What it is: CVE-2026-66088 is a critical vulnerability in Apereo Foundation openEQUELLA, published on 29 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-66088 in the wild and no public exploit code.
Affected product: Apereo Foundation openEQUELLA. 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-2026-66088/ (Markdown: https://insights.sbomify.com/CVE-2026-66088/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-66088?
CVE-2026-66088 is a critical vulnerability in Apereo Foundation openEQUELLA, published on 29 Oct 2026.
Official description
In openEQUELLA before 2026.1, the system.execute() function available to the scripting engine runs supplied operating system commands without validation or an allow-list of permitted executables. A user able to create or edit scripts can use it to execute arbitrary commands with the privileges of the openEQUELLA service account.
Which versions are affected by CVE-2026-66088?
How do I fix CVE-2026-66088?
No fix has been published for CVE-2026-66088 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-66088 being exploited?
There is no known exploitation of CVE-2026-66088 in the wild and no public exploit code.
Sources
Also known as GHSA-64mg-3wpj-rcr6, GHSA-q8xp-w3fr-hj4v.