Is CVE-2026-78161 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-78161?

CVE-2026-78161 has a CVSS v3 severity of HIGH (7.3).

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CVE-2026-78161

Description

A vulnerability was found in warmcat libwebsockets 4.5.0. Impacted is the function report_raw_cbor of the file lib/misc/lecp.c of the component LECP CBOR Recording. The manipulation results in out-of-bounds write. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as 1d44554a1bb262db63ff4e240152a9deecd99054. It is best practice to apply a patch to resolve this issue.