Node undici: (undici bundles a WebSocket client whose permessage-deflate size-limit ...) (CVE-2026-85024)
A medium severity vulnerability (CVE-2026-85024) affects the Node.js undici library, specifically related to its bundled WebSocket client and the permessage-deflate size limit. The vulnerability has a CVSS score of 5.9 with no known exploits in the wild. No affected versions or patch information are provided in the available data.
AI Analysis
Technical Summary
CVE-2026-85024 concerns a vulnerability in the Node.js undici library, which bundles a WebSocket client. The issue relates to the permessage-deflate size limit, potentially leading to an availability impact. The CVSS 3.1 vector indicates a network attack vector with high attack complexity, no privileges required, no user interaction, and an impact limited to availability (no confidentiality or integrity impact). No further technical details or exploitation methods are provided.
Potential Impact
The vulnerability impacts availability, potentially causing denial of service conditions. There is no reported impact on confidentiality or integrity. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is provided in the available data.
Node undici: (undici bundles a WebSocket client whose permessage-deflate size-limit ...) (CVE-2026-85024)
Description
A medium severity vulnerability (CVE-2026-85024) affects the Node.js undici library, specifically related to its bundled WebSocket client and the permessage-deflate size limit. The vulnerability has a CVSS score of 5.9 with no known exploits in the wild. No affected versions or patch information are provided in the available data.
CVSS v3.1
Score 5.9medium
Affected software
pkg:deb/ubuntu/node-undici?arch=source&distro=noblepkg:deb/ubuntu/node-undici?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-85024 concerns a vulnerability in the Node.js undici library, which bundles a WebSocket client. The issue relates to the permessage-deflate size limit, potentially leading to an availability impact. The CVSS 3.1 vector indicates a network attack vector with high attack complexity, no privileges required, no user interaction, and an impact limited to availability (no confidentiality or integrity impact). No further technical details or exploitation methods are provided.
Potential Impact
The vulnerability impacts availability, potentially causing denial of service conditions. There is no reported impact on confidentiality or integrity. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is provided in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-85024
- Osv Schema Version
- 1.7.0
- Aliases
- []
- Ecosystems
- ["Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
- Database Specific Severity
- null
- Cvss Version
- 3.1
Threat ID: 6a9ee1aeacd9273b49e69c02
Added to database: 09/07/2026, 16:09:18 UTC
Last enriched: 09/07/2026, 16:14:33 UTC
Last updated: 09/08/2026, 00:25:45 UTC
Views: 8
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.