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CVE-2026-40477 Improper restriction of the scope of accessible objects in Thymeleaf expressions

🗓️ 17 Apr 2026 21:53:47Reported by GitHub_MType 
vulnrichment
 vulnrichment🔗 github.com👁 9 Views

Thymeleaf prior to 3.1.4 allows server side template injection via unvalidated input.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-40477
17 Apr 202621:53
–attackerkb
bdu_fstec
BDU FSTEC		The vulnerability of the JavaScript-based Thymeleaf engine arises from the lack of measures taken to neutralize special elements used in the expression language operator, allowing attackers to bypass existing security mechanisms.
31 Jul 202600:00
–bdu_fstec
circl
Circl		CVE-2026-40477
17 Apr 202623:20
–circl
cnnvd
CNNVD		thymeleaf 安全漏洞
17 Apr 202600:00
–cnnvd
cve
CVE		CVE-2026-40477
17 Apr 202621:53
–cve
cvelist
Cvelist		CVE-2026-40477 Improper restriction of the scope of accessible objects in Thymeleaf expressions
17 Apr 202621:53
–cvelist
ibm
IBM Security Bulletins		Security Bulletin: MongoDB Enterprised Advanced affected by: Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection') (CVE-2026-40477, CVE-2026-40478)
16 Jun 202614:11
–ibm
github
Github Security Blog		Improper restriction of the scope of accessible objects in Thymeleaf expressions
15 Apr 202619:46
–github
kitploit
Kitploit		thymeleaf-check
10 Sep 202617:38
–kitploit
nvd
NVD		CVE-2026-40477
17 Apr 202622:16
–nvd
Rows per page
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17 Apr 2026 21:53Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19
EPSS0.00851
SSVC
CWE-917CWE-1336
Thymeleaftemplate injectionunvalidated inputsecurity bypassweb template engine
9