Medium 5.9Published Nov 1, 2026

CVE-2026-120316http4k before 6.62.0.0-ee Path Traversal via ThymeleafTemplates Template Resolution

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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It affects http4k. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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http4k before 6.62.0.0-ee contains a path traversal vulnerability in ThymeleafTemplates Caching and HotReload that allows unauthenticated attackers to read files outside baseTemplateDir by supplying ../ segments in ViewModel.template() values. Attackers can influence request-driven template selection so Thymeleaf's FileTemplateResolver resolves escaped paths without containment checks, disclosing any file readable by the server process.

CVSS: 5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Nov 1, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

http4k http4k http4k:http4k (from the name)	before 6.62.0.0-ee; 6.62.0.0-ee not affected	CNA record

References

References

https://github.com/http4k/http4k/security/advisories/GHSA-wq4x-r858-gmmj	vendor-advisory
https://www.vulncheck.com/advisories/http4k-before-6.62.0.0-ee-path-traversal-via-thymeleaftemplates-template-resolution	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.