CVE-2026-45541

CVE-2026-45541

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.4, and 6.0, a NULL-pointer dereference exists in the WebSocket subprotocol-negotiation path of the esp_http_server component. Whi…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-45541?
CVE-2026-45541 is a high-severity vulnerability, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-06-10.
How severe is CVE-2026-45541?
High severity. CVSS v3 base score is 7.5 out of 10.