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ACME Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider

🗓️ 16 Apr 2026 21:28:55Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

ACME lego webroot provider is vulnerable to path traversal enabling arbitrary file write and delete.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Chainguard
CVE-2026-40611 vulnerabilities
18 Apr 202601:17
cgr
Circl
CVE-2026-40611
15 Apr 202619:52
circl
CNNVD
Lego 安全漏洞
21 Apr 202600:00
cnnvd
CVE
CVE-2026-40611
21 Apr 202617:58
cve
Cvelist
CVE-2026-40611 Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider
21 Apr 202617:58
cvelist
Debian CVE
CVE-2026-40611
21 Apr 202617:58
debiancve
NVD
CVE-2026-40611
21 Apr 202618:16
nvd
OSV
CGA-Q9RR-8PQ2-573M
17 Apr 202621:15
osv
OSV
DEBIAN-CVE-2026-40611
21 Apr 202618:16
osv
OSV
GHSA-QQX8-2XMM-JRV8 ACME Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider
16 Apr 202621:28
osv
Rows per page
Vulners
Node
go-acmelegoRange2.7.2go
OR
go-acmelegoRange3.9.0go
OR
go-acmelegoRange<4.34.0go

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27 Apr 2026 16:16Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.18.8
EPSS0.00054
SSVC
3