Node undici: (undici's dump interceptor reads and discards a response body up to a c ...) (CVE-2026-84947)
CVE-2026-84947 is a medium severity vulnerability in the Node.js undici HTTP client library. The issue involves undici's dump interceptor, which reads and discards a response body up to a certain condition. The vulnerability does not impact confidentiality or availability but may allow limited integrity impact. No known exploits are reported, and no patch or remediation details are provided in the available data.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-84947 affects the undici HTTP client library used in Node.js environments. Specifically, the dump interceptor component reads and discards parts of the HTTP response body up to a certain condition, which may lead to an integrity impact. The CVSS 3.1 base score is 3.7, indicating a medium severity with network attack vector, high attack complexity, no privileges required, no user interaction, and unchanged scope. There is no information on affected versions or available patches.
Potential Impact
The impact is limited to integrity, with no confidentiality or availability impact reported. The vulnerability requires network access and has high attack complexity, reducing the likelihood of exploitation. No known active exploits exist in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor official sources for updates. No specific mitigation steps are indicated in the available data.
Node undici: (undici's dump interceptor reads and discards a response body up to a c ...) (CVE-2026-84947)
Description
CVE-2026-84947 is a medium severity vulnerability in the Node.js undici HTTP client library. The issue involves undici's dump interceptor, which reads and discards a response body up to a certain condition. The vulnerability does not impact confidentiality or availability but may allow limited integrity impact. No known exploits are reported, and no patch or remediation details are provided in the available data.
CVSS v3.1
Score 3.7low
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
The vulnerability identified as CVE-2026-84947 affects the undici HTTP client library used in Node.js environments. Specifically, the dump interceptor component reads and discards parts of the HTTP response body up to a certain condition, which may lead to an integrity impact. The CVSS 3.1 base score is 3.7, indicating a medium severity with network attack vector, high attack complexity, no privileges required, no user interaction, and unchanged scope. There is no information on affected versions or available patches.
Potential Impact
The impact is limited to integrity, with no confidentiality or availability impact reported. The vulnerability requires network access and has high attack complexity, reducing the likelihood of exploitation. No known active exploits exist in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor official sources for updates. No specific mitigation steps are indicated in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-84947
- 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: 6a9ee1b1acd9273b49e69d0f
Added to database: 09/07/2026, 16:09:21 UTC
Last enriched: 09/07/2026, 16:14:57 UTC
Last updated: 09/08/2026, 00:25:54 UTC
Views: 6
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