PatchTheCEVzephyrproject vulnerabilities
Recent CVEs affecting zephyrproject products. 8 tracked.
zephyrproject has 8 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 8. Most recent: 2026-08-04. Highest priority: CVE-2026-10849 (score 49/100).
- CVE-2026-10686 MEDIUM 5.8 UPGRADE Zephyr's IPv6 forwarding path re-sent routed unicast packets without ever decrementing the IPv6 hop limit
- CVE-2026-10685 HIGH 7.6 UPGRADE The Zephyr Bluetooth GATT client CCC-write response handler gatt_write_ccc_rsp() in subsys/bluetooth/host/gatt
- CVE-2026-11368 HIGH 7.1 UPGRADE The Bluetooth host ATT layer (subsys/bluetooth/host/att.c) associates each in-flight ATT TX buffer with its ow
- CVE-2026-2411 MEDIUM 6.5 UPGRADE Zephyr's Bluetooth host declares a GATT characteristic as two consecutive attributes: a Characteristic Declara
- CVE-2026-10773 MEDIUM 5.4 UPGRADE The DHCPv4 client helper net_dhcpv4_msg_type_name() in subsys/net/lib/dhcpv4/dhcpv4.c indexes a static 8-eleme
- CVE-2026-10848 HIGH 7.0 UPGRADE The OCPP 1.6 client in subsys/net/lib/ocpp parsed inbound WAMP RPC frames in parse_rpc_msg() (subsys/net/lib/o
- CVE-2026-10774 LOW 2.4 UPGRADE Zephyr's Bluetooth Mesh subnet key management leaks one PSA Crypto key slot on every subnet-key teardown
- CVE-2026-10849 HIGH 8.2 UPGRADE The hawkBit device management client in subsys/mgmt/hawkbit accumulates the body of an HTTP response from the
FAQ
How do I fix zephyrproject vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is zephyrproject being exploited right now?
None of the tracked zephyrproject CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which zephyrproject CVE should I patch first?
CVE-2026-10849 currently ranks highest (49/100): The hawkBit device management client in subsys/mgmt/hawkbit accumulates the body of an HTTP response from the .