DEBIAN-CVE-2026-40611

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

UBUNTU-CVE-2026-40611

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

CVE-2026-40611

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

DEBIAN-CVE-2025-54799

Let's Encrypt client and ACME library written in Go Lego. In versions 4.25.1 and below, the github.com/go-acme/lego/v4/acme/api package thus the lego library and the lego cli as well don't enforce HTTPS when talking to CAs as an ACME client. Unlike the http-01 challenge which solves an ACME...

CVE-2025-54799

Let's Encrypt client and ACME library written in Go Lego. In versions 4.25.1 and below, the github.com/go-acme/lego/v4/acme/api package thus the lego library and the lego cli as well don't enforce HTTPS when talking to CAs as an ACME client. Unlike the http-01 challenge which solves an ACME...

CVE-2025-54799 Lego does not enforce HTTPS

Let's Encrypt client and ACME library written in Go Lego. In versions 4.25.1 and below, the github.com/go-acme/lego/v4/acme/api package thus the lego library and the lego cli as well don't enforce HTTPS when talking to CAs as an ACME client. Unlike the http-01 challenge which solves an ACME...

CVE-2025-54799 Lego does not enforce HTTPS

Let's Encrypt client and ACME library written in Go Lego. In versions 4.25.1 and below, the github.com/go-acme/lego/v4/acme/api package thus the lego library and the lego cli as well don't enforce HTTPS when talking to CAs as an ACME client. Unlike the http-01 challenge which solves an ACME...

Lego 安全漏洞

Lego is a go-acme open source library written in Go. A security vulnerability exists in Lego 4.25.1 and earlier versions, which stems from not enforcing the use of HTTPS to communicate with CAs, potentially disclosing sensitive information...