GO-2026-5593 ACME Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider in github.com/go-acme/lego

ACME Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider in github.com/go-acme/lego...

CVE-2026-48614

A flaw was found in Plesk. An improper authorization vulnerability in the Plesk XML API allows an authenticated user to inject arbitrary configuration directives. This can result in arbitrary file write as root, leading to full privilege escalation on the underlying server. Mitigation Red Hat...

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...

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...

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 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...