What is CVE-2026-120274?

CVE-2026-120274 is a medium-severity vulnerability in Beecue Fastbee, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-11-01.

How severe is CVE-2026-120274?

Medium severity. CVSS v3 base score is 4.7 out of 10.

RCE in Beecue Fastbee

CVE-2026-120274

A vulnerability was identified in beecue FastBee up to 2.1.0. Affected by this issue is some unknown functionality of the file /iot/script of the component Groovy Script Executor. The manipulation leads to code injection. The attack is possible to be carried out remotely. The identifier of the patch is 890a33846005a937a58cccd738b7fb9821b82ea9. It is suggested to install a patch to address this issue.

Published 2026-11-01 · last modified 2026-11-01.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Beecue Fastbee — versions 2.0, 2.1.0

Weakness classification (CWE)

References

gitee.com/beecue/fastbee/ (product)
gitee.com/beecue/fastbee/commit/890a33846005a937a58cccd738b7fb9821b82ea9 (patch)
gitee.com/x0n1on/fastbee/issues/IKIU7D (issue-tracking)
vuldb.com/cve/CVE-2026-120274 (third-party-advisory)
vuldb.com/submit/1003643 (third-party-advisory)
vuldb.com/vuln/429618 (vdb-entry)
vuldb.com/vuln/429618/cti (signature, permissions-required)

Frequently asked questions

What is CVE-2026-120274?: CVE-2026-120274 is a medium-severity vulnerability in Beecue Fastbee, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-11-01.
How severe is CVE-2026-120274?: Medium severity. CVSS v3 base score is 4.7 out of 10.