CVE-2026-120399
Flightctl-api: flightctl-remote-access: flightctl: unbounded tls handshake in conncontext can block accepting connections
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
A flaw was found in flightctl. A TLS handshake is performed synchronously in the HTTP server’s connection-context callback without a deadline. A network-reachable unauthenticated client can stall the handshake and prevent the affected listener from accepting new connections.
| CWE | CWE-1322 |
| Vendor | red hat |
| Product | red hat edge manager 1 |
| Published | Nov 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Red Hat / Red Hat Edge Manager 1
All versions affected Red Hat / Red Hat Edge Manager 1
All versions affected Red Hat / Red Hat Edge Manager 1
All versions affected Red Hat / Red Hat Edge Manager 1
All versions affected References
Credits
Red Hat would like to thank Miroslav Kolář (TSP Data) for reporting this issue.