KEV Entry

CVE-2026-41901

Known Exploited Vulnerability Entry ENISA

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Entry Details
Confirmed Exploited

CVE-2026-41901

2026-10-10 02:00 CEST

Timestamps

2026-10-10

2026-10-10

Scope

Affected: Thymeleaf / Thymeleaf | Description: Thymeleaf is a server-side Java template engine for web and standalone environments. Prior to 3.1.5.RELEASE, a security bypass vulnerability exists in the expression execution mechanisms of Thymeleaf. Although the library provides mechanisms to avoid the execution of potentially dangerous expressions in some specific sandboxed (restricted) contexts, it fails to properly neutralize specific constructs that allow this kind of expressions to be executed. If an application developer passes to the template engine unsanitized variables that contain such expressions, and these values are used in sandboxed contexts inside the templates, these expressions can be executed achieving Server-Side Template Injection (SSTI). This vulnerability is fixed in 3.1.5.RELEASE. | Patched since: 2026/04/29 | Exploitation type: unknown | CWEs: CWE-917, CWE-1336 | Origin source: CNW | Notes: https://github.com/thymeleaf/thymeleaf/security/advisories/GHSA-c9ph-gxww-7744

References
  • {'id': 'CVE-2026-41901', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-41901'}
  • {'id': 'EUVD-2026-29872', 'url': 'https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29872'}
  • {'id': 'source', 'url': 'https://github.com/thymeleaf/thymeleaf/security/advisories/GHSA-c9ph-gxww-7744'}

87500fff-6e94-4e53-b336-8decbc2c8582

ENISA
cce329bf-df49-4c6e-a027-80be2e6483bd

2026-10-17 06:37 CEST

2026-10-17 06:37 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
csirt_report enisa-cnw-kev successful_exploitation 0.75
View details 
{
  "catalog": "ENISA / EU CSIRTs Network (CNW) KEV JSON",
  "cwes": [
    "CWE-917",
    "CWE-1336"
  ],
  "dateReported": "2026/10/10",
  "euvd": "EUVD-2026-29872",
  "exploitationType": [
    "unknown"
  ],
  "notes": "https://github.com/thymeleaf/thymeleaf/security/advisories/GHSA-c9ph-gxww-7744",
  "originSource": "CNW",
  "patchedSince": "2026/04/29",
  "product": "Thymeleaf",
  "threatActorsExploiting": [],
  "vendorProject": "Thymeleaf",
  "vulnerabilityName": ""
}
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