node-bluetooth is vulnerable to Buffer Overflow via the findSerialPortChannel method due to improper user input length validation

published 2023-03-09 3 y ago modified 2026-06-17 4 mo ago also GHSA-cxx3-36qc-m6qm , EUVD-2023-0990

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

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

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 20 mo ago (2025-02-28)

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

security.snyk.io https://security.snyk.io/vuln/SNYK-JS-NODEBLUETOOTH-3311821 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
npm	node-bluetooth	<=1.2.6	no fix listed

Affected products

n/a node-bluetooth

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

security.snyk.io /vuln/SNYK-JS-NODEBLUETOOTH-3311821
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2023-26110
advisory
github.com /song940/node-bluetooth
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary