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Vulnerability record · CVE-2021-43466 · published 9 November 2021

CVE-2021-43466: Thymeleaf code injection vulnerability

Thymeleaf · Thymeleaf

In the thymeleaf-spring5:3.0.12 component, thymeleaf combined with specific scenarios in template injection may lead to remote code execution.

9.8 CVSS 3.1 Critical EPSS 4.0% · top 9.8% CWE-94 · Code injection
9.8CVSS 3.1 base score, v2 6.8
4.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In the thymeleaf-spring5:3.0.12 component, thymeleaf combined with specific scenarios in template injection may lead to remote code execution.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gitee.com/wayne_wwang/wayne_wwang/blob/master/2021/10/31/ruoyi+thymeleaf-rce/index.html ExploitThird Party Advisory
https://security.netapp.com/advisory/ntap-20221014-0001/ Third Party Advisory
https://vuldb.com/?id.186365 Third Party Advisory
https://gitee.com/wayne_wwang/wayne_wwang/blob/master/2021/10/31/ruoyi+thymeleaf-rce/index.html ExploitThird Party Advisory
https://security.netapp.com/advisory/ntap-20221014-0001/ Third Party Advisory
https://vuldb.com/?id.186365 Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-43466), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.