What is CVE-2023-26109?

CVE-2023-26109 is a high-severity vulnerability in Node-Bluetooth-Serial-Port Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.3/10. Published 2023-03-09.

How severe is CVE-2023-26109?

High severity. CVSS v3 base score is 7.3 out of 10.

Buffer overflow in Node-Bluetooth-Serial-Port Project

CVE-2023-26109

All versions of the package node-bluetooth-serial-port are vulnerable to Buffer Overflow via the findSerialPortChannel method due to improper user input length validation.

Vulnerability class: Buffer Overflow

Published 2023-03-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.007 (49.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Node-Bluetooth-Serial-Port Project
Node-Bluetooth-Serial-Port — versions 0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

security.snyk.io/vuln/SNYK-JS-NODEBLUETOOTHSERIALPORT-3311820 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-26109?: CVE-2023-26109 is a high-severity vulnerability in Node-Bluetooth-Serial-Port Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.3/10. Published 2023-03-09.
How severe is CVE-2023-26109?: High severity. CVSS v3 base score is 7.3 out of 10.