How severe is CVE-2023-26109?

CVE-2023-26109 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-26109 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26109?

CVE-2023-26109 affects Node-bluetooth-serial-port Project Node-bluetooth-serial-port. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26109?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-26109 published?

CVE-2023-26109 was published on 2023-03-09 and last updated on 2026-06-17.

CVE-2023-26109

CVE-2023-26109 is a high-severity vulnerability in Node-bluetooth-serial-port Project Node-bluetooth-serial-port with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Node-bluetooth-serial-port Project Node-bluetooth-serial-port
Published: 2023-03-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-26109?: CVE-2023-26109 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-26109 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26109?: CVE-2023-26109 affects Node-bluetooth-serial-port Project Node-bluetooth-serial-port. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26109?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-26109 published?: CVE-2023-26109 was published on 2023-03-09 and last updated on 2026-06-17.

References

https://security.snyk.io/vuln/SNYK-JS-NODEBLUETOOTHSERIALPORT-3311820

Affected products (1)

cpe:2.3:a:node-bluetooth-serial-port_project:node-bluetooth-serial-port:-:*:*:*:*:node.js:*:*

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