What is CVE-2026-96355?

CVE-2026-96355 is a critical-severity vulnerability, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 9.1/10. Published 2026-10-22.

How severe is CVE-2026-96355?

Critical severity. CVSS v3 base score is 9.1 out of 10.

CVE-2026-96355

CVE-2026-96355

Improper Neutralization of Special Elements Used in a Template Engine vulnerability in Drupal Webform allows Code Injection. This issue affects Webform versions: from 0.0.0 to 6.2.12, from 6.3.0 to 6.3.1.

Published 2026-10-22 · last modified 2026-10-22.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

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.

Weakness classification (CWE)

CWE-1336 — Improper Neutralization of Special Elements Used in a Template Engine

References

www.drupal.org/sa-contrib-2026-175

Frequently asked questions

What is CVE-2026-96355?: CVE-2026-96355 is a critical-severity vulnerability, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 9.1/10. Published 2026-10-22.
How severe is CVE-2026-96355?: Critical severity. CVSS v3 base score is 9.1 out of 10.