How severe is CVE-2026-3955?

CVE-2026-3955 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-3955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-3955?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3955 have an EU (EUVD) identifier?

Yes. CVE-2026-3955 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11403.

When was CVE-2026-3955 published?

CVE-2026-3955 was published on 2026-03-11 and last updated on 2026-06-17.

CVE-2026-3955

CVE-2026-3955 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11403
Weakness: CWE-74
Published: 2026-03-11
Last modified: 2026-06-17

Description

A security vulnerability has been detected in elecV2P up to 3.8.3. Affected by this issue is the function runJSFile of the file source-code/elecV2P-master/webser/wbjs.js of the component jsfile Endpoint. Such manipulation leads to code injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-3955?: A security vulnerability has been detected in elecV2P up to 3.8.3. Affected by this issue is the function runJSFile of the file source-code/elecV2P-master/webser/wbjs.js of the component jsfile Endpoint. Such manipulation leads to code injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-3955?: CVE-2026-3955 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-3955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-3955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3955 have an EU (EUVD) identifier?: Yes. CVE-2026-3955 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11403.
When was CVE-2026-3955 published?: CVE-2026-3955 was published on 2026-03-11 and last updated on 2026-06-17.

References

Other CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities

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