Prototype pollution in changeset
Priority HIGH 82CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
Prototype pollution vulnerability in 'changeset' versions 0.0.1 through 0.2.5 allows an attacker to cause a denial of service and may lead to remote code execution.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03507 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed changeset (npm): 0.2.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | changeset | 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6, 0.1.0, 0.2.0, 0.2.1, 0.2.3, 0.2.4, 0.2.5 | — | No fix listed | CNA |
| — | changeset (npm) | 0.0.1 to before 0.2.5 | 0.2.5 | Patch available | GHSA-2gqw-q9r9-7f79 |
- changeset Vendor— Affected 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6, 0.1.0, 0.2.0, 0.2.1, 0.2.3, 0.2.4, 0.2.5 Fixed in — No fix listed CNA
- changeset (npm) Vendor— Affected 0.0.1 to before 0.2.5 Fixed in 0.2.5 Patch available GHSA-2gqw-q9r9-7f79
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:changeset_project:changeset:*:*:*:*:*:node.js:*:* | 0.0.1 to before 0.2.6 | Vulnerable | Changeset Project |
- cpe:2.3:a:changeset_project:changeset:*:*:*:*:*:node.js:*:* Versions 0.0.1 to before 0.2.6 Vulnerable ·Changeset Project
Remediation
- Fix · GHSA-2gqw-q9r9-7f79 changeset (npm) Fixed in 0.2.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25915
- 2026-10-03 Alias added: GHSA-2gqw-q9r9-7f79
References
Sources
- CVE-2021-25915 · CVE Program
- CVE-2021-25915 · NVD
- FIRST EPSS
- GHSA-2gqw-q9r9-7f79 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences