CVE-2026-8161
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
multiparty: Denial of Service via Prototype Pollution leads to Uncaught Exception
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Fixed | 4.3.0-1 |
| forky | Fixed | 4.3.0-1 |
| bullseye | Affected | — |
| bookworm | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | multiparty | <4.3.0 | 4.3.0 |
| NPM | multiparty | <= 4.2.3 | 4.3.0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| pillarjs | multiparty | {"endExcluding":"4.3.0"} | 4.3.0 |
References
- https://cna.openjsf.org/security-advisories.html
- https://github.com/pillarjs/multiparty/security/advisories/GHSA-qxch-whhj-8956
- https://nvd.nist.gov/vuln/detail/CVE-2026-8161
- https://github.com/pillarjs/multiparty
- https://github.com/pillarjs/multiparty/releases/tag/v4.3.0
- https://security-tracker.debian.org/tracker/CVE-2026-8161
- https://github.com/advisories/GHSA-qxch-whhj-8956
CWEs
CWE-248 CWE-1321
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.