What is CVE-2026-21450?

CVE-2026-21450 is a critical-severity vulnerability in Bagisto, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 9.8/10. Published 2026-01-02.

How severe is CVE-2026-21450?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Bagisto

CVE-2026-21450

Bagisto is an open source laravel eCommerce platform. Versions prior to 2.3.10 are vulnerable to server-side template injection via type parameter, which can lead to remote code execution or another exploitation. Version 2.3.10 fixes the issue.

Published 2026-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (70.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: -0.000

Affected products

Bagisto — versions < 2.3.10
Webkul Bagisto

Weakness classification (CWE)

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

References

github.com/bagisto/bagisto/security/advisories/GHSA-9hvg-qw5q-wqwp (Vendor Advisory)

Frequently asked questions

What is CVE-2026-21450?: CVE-2026-21450 is a critical-severity vulnerability in Bagisto, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 9.8/10. Published 2026-01-02.
How severe is CVE-2026-21450?: Critical severity. CVSS v3 base score is 9.8 out of 10.