CVE-2026-113609 Bandisoft Bandizip before 7.47 Mark-of-the-Web Bypass for PowerShell Scripts
Medium 4.8
Published
Updated
Check this codebase for CVE-2026-113609 and fix it if it is affected.
What it is: CVE-2026-113609 is a medium-severity vulnerability in Bandisoft Bandizip, published on 20 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-113609 in the wild and no public exploit code.
Affected product: Bandisoft Bandizip. 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-2026-113609/ (Markdown: https://insights.sbomify.com/CVE-2026-113609/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-113609?
CVE-2026-113609 is a medium-severity vulnerability in Bandisoft Bandizip, published on 20 Oct 2026.
Official description
Bandisoft Bandizip before 7.47 fails to propagate Mark-of-the-Web to extracted .ps1 and .psm1 files, allowing attackers to bypass zone-based execution protections. Attackers can deliver unsigned PowerShell scripts or modules in downloaded archives that run under the RemoteSigned policy when the user invokes them.
Weakness: CWE-693
Which versions are affected by CVE-2026-113609?
How do I fix CVE-2026-113609?
No fix has been published for CVE-2026-113609 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-113609 being exploited?
There is no known exploitation of CVE-2026-113609 in the wild and no public exploit code.
Sources
Also known as GHSA-64xw-vwg3-qr88.