CVE-2026-92542Blind VXLAN injection into encrypted overlay networks from cluster peer
Updated under an hour ago ()
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It affects Docker Engine and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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The firewall rules which mark VXLAN datagrams for encryption indiscriminately match both authentic VXLAN datagrams sent from the kernel and forged datagrams sent by user processes. Any packet sent from the host network namespace of a Linux Swarm node is encrypted with the overlay-network IPsec parameters which meets the following criteria: - UDP datagram - Destination port is the Swarm data-path port - Datagram starts with a VXLAN header for the VNI of an encrypted overlay network which any running container on the node is connected to
- CVSS
- 6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-290
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Docker
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Docker Docker Engine docker:engine (from the name) | before 25.0.19; from 26.0.0 before 29.8.2 | CNA record |
Docker Docker Engine overlay network driver docker:engine_overlay_network_driver (from the name) | before v25.0.19; from v26.0.0 | CNA record |
Moby Moby overlay network driver moby:overlay_network_driver (from the name) | from v2.0.0-beta.0 before v2.0.0-beta.25 | CNA record |
References
- https://github.com/moby/moby/security/advisories/GHSA-6m9p-4h64-m6vhvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.