CVE-2026-85014

medium Red Hat
CVSS v3 Base Score
5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.4%
Exploitation probability in 30 days
Top 72% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: September 4, 2026 (6 days ago)
Last Modified: September 4, 2026
Vendor: Red Hat
Fix Available: ✓ Yes
Source: REDHAT

Description

A flaw was found in undici's experimental WebSocketStream client. A remote attacker, operating as an untrusted server, can trigger a Denial of Service (DoS) by closing the TCP connection without a proper WebSocket close handshake. This action causes an unhandled error in the client, leading to the termination of the entire Node.js process.

CWE

CWE-390

Affected Products

Exploit IntelligenceOpenShift PipelinesRed Hat AMQ Broker 7Red Hat Ansible Automation Platform 2Red Hat Build of Podman DesktopRed Hat Developer HubRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9Red Hat Hardened Images

Fix Status

✅ Fix Available

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 cna.openjsf.org 🔗 github.com