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

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...

Free certificates for IP addresses: security problem or solution?

Let’s Encrypt has announced its issued its first certificate for an IP address. Why that’s significant deserves a little explanation. You may have run into Let’s Encrypt certificates many times without realizing it. When you see a padlock icon in your browser’s address bar, it means the site is...

CVE-2024-46257

A Command injection vulnerability in requestLetsEncryptSslWithDnsChallenge in NginxProxyManager 2.11.3 allows an attacker to achieve remote code execution via Add Let's Encrypt Certificate. NOTE: this is not part of any NGINX software shipped by F5...

CVE-2022-25377

The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APPSTORAGECERTIFICATES/.well-known/acme-challenge must exist on disk. This pathname is automatically created if...

CVE-2024-46257

A Command injection vulnerability in requestLetsEncryptSslWithDnsChallenge in NginxProxyManager 2.11.3 allows an attacker to achieve remote code execution via Add Let's Encrypt Certificate. NOTE: this is not part of any NGINX software shipped by F5...

CVE-2024-46256

A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via Add Let's Encrypt Certificate...

CVE-2024-46257

A Command injection vulnerability in requestLetsEncryptSslWithDnsChallenge in NginxProxyManager 2.11.3 allows an attacker to achieve remote code execution via Add Let's Encrypt Certificate. NOTE: this is not part of any NGINX software shipped by F5...

CVE-2024-46256

A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via Add Let's Encrypt Certificate...

CVE-2024-46256

A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via Add Let's Encrypt Certificate...

CVE-2024-46256

A Command injection vulnerability in requestLetsEncryptSsl in NginxProxyManager 2.11.3 allows an attacker to RCE via Add Let's Encrypt Certificate...

CVE-2024-46257

CVE-2024-46257 describes a command-injection vulnerability in NginxProxyManager 2.11.3, specifically in the requestLetsEncryptSslWithDnsChallenge path, enabling remote code execution when adding a Let’s Encrypt certificate. Multiple connected sources corroborate that the flaw allows RCE and perta...

CVE-2024-46257

A Command injection vulnerability in requestLetsEncryptSslWithDnsChallenge in NginxProxyManager 2.11.3 allows an attacker to achieve remote code execution via Add Let's Encrypt Certificate. NOTE: this is not part of any NGINX software shipped by F5...

CVE-2024-46256

CVE-2024-46256 affects NginxProxyManager 2.11.3 and is due to a command injection in the requestLetsEncryptSsl routine that enables remote code execution when adding a Let’s Encrypt certificate. The Red Hat/OSV/NVD entries corroborate the same vulnerability description (CVE-2024-46256) and identi...

CVE-2024-46257

A Command injection vulnerability in requestLetsEncryptSslWithDnsChallenge in NginxProxyManager 2.11.3 allows an attacker to achieve remote code execution via Add Let's Encrypt Certificate. NOTE: this is not part of any NGINX software shipped by F5...

CVE-2022-25377

The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APPSTORAGECERTIFICATES/.well-known/acme-challenge must exist on disk. This pathname is automatically created if...

CVE-2022-25377

The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APPSTORAGECERTIFICATES/.well-known/acme-challenge must exist on disk. This pathname is automatically created if...

Directory traversal

The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APPSTORAGECERTIFICATES/.well-known/acme-challenge must exist on disk. This pathname is automatically created if...

CVE-2022-25377

The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APPSTORAGECERTIFICATES/.well-known/acme-challenge must exist on disk. This pathname is automatically created if...

CVE-2022-25377

The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APPSTORAGECERTIFICATES/.well-known/acme-challenge must exist on disk. This pathname is automatically created if...