GHSA-6fh5-8wq8-w3wr
Prototype Pollution in unflatten
GHSA-6fh5-8wq8-w3wr is a vulnerability with no CVSS score yet in unflatten, published September 4, 2020. No source lists public exploit code. No source names a fixed version.
- Severity
- UnratedNo CVSS score yet
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
All versions of unflatten are vulnerable to prototype pollution. The function unflatten does not restrict the modification of an Object's prototype, which may allow an attacker to add or modify an existing property that will exist on all objects.
Recommendation
No fix is currently available. Consider using an alternative package until a fix is made available.
Affected packages
| Package | Affected | Fixed |
|---|---|---|
unflattennpm | 0.0.0 and later | None known |
What each source reports
GitHub AdvisoriesNo score
Prototype Pollution in unflatten
All versions of unflatten are vulnerable to prototype pollution. The function unflatten does not restrict the modification of an Object's prototype, which may allow an attacker to add or modify an existing property that will exist on all objects.
Recommendation
No fix is currently available. Consider using an alternative package until a fix is made available.
- Record
GHSA-6fh5-8wq8-w3wr- Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVNo score
Prototype Pollution in unflatten
All versions of unflatten are vulnerable to prototype pollution. The function unflatten does not restrict the modification of an Object's prototype, which may allow an attacker to add or modify an existing property that will exist on all objects.
Recommendation
No fix is currently available. Consider using an alternative package until a fix is made available.
- Record
GHSA-6fh5-8wq8-w3wr- Weakness
- CWE-1321
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.