Prototype Pollution in 75lb deep-merge 1.1.1 allows attackers to execute arbitrary code…
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 in 75lb deep-merge 1.1.1 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) and cause other impacts via merge methods of lodash to merge objects.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00985 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed @75lb/deep-merge (npm): 1.1.2
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | @75lb/deep-merge (npm) | before 1.1.2 | 1.1.2 | Patch available | GHSA-28mc-g557-92m7 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- @75lb/deep-merge (npm) Vendor— Affected before 1.1.2 Fixed in 1.1.2 Patch available GHSA-28mc-g557-92m7
Remediation
- Fix · GHSA-28mc-g557-92m7 @75lb/deep-merge (npm) Fixed in 1.1.2 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2024-38986
- 2026-10-03 Alias added: GHSA-28mc-g557-92m7
References
Sources
- CVE-2024-38986 · CVE Program
- CVE-2024-38986 · NVD
- FIRST EPSS
- GHSA-28mc-g557-92m7 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-38986 · Red Hat security data · CC BY 4.0
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