SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2026-40611

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-40611 Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider

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...

Lego 安全漏洞

Lego is an open-source library written in Go by go-acme. Versions of Lego before 4.34.0 have security vulnerabilities; these vulnerabilities stem from path traversal in the webroot HTTP-01 challenge provider, which could lead to arbitrary file writing and deletion...

GHSA-8R5M-3F66-QPR3 HashiCorp Vault has Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS

Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0,...

CVE-2026-5052

Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0,...

CVE-2026-5052

Vault’s PKI engine ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges, creating potential SSRF and information disclosure against internal targets. The issue affects Vault Community Edition up to 2.0.0 and Vault Enterprise up to 2.0.0, as well as 1.21.5, ...

Cloudflare Fixes ACME Validation Bug Allowing WAF Bypass to Origin Servers

Cloudflare has addressed a security vulnerability impacting its Automatic Certificate Management Environment ACME validation logic that made it possible to bypass security controls and access origin servers. "The vulnerability was rooted in how our edge network processed requests destined for the...

Malicious code in acme-http-01-s3 (npm)

The package acme-http-01-s3 was found to contain malicious code...

MAL-2025-14011 Malicious code in acme-http-01-sequelize (npm)

The package acme-http-01-sequelize was found to contain malicious code...

Malicious code in acme-http-01-sequelize (npm)

The package acme-http-01-sequelize was found to contain malicious code...

Malicious code in acme-http-01-reddis (npm)

The package acme-http-01-reddis was found to contain malicious code...

MAL-2025-14010 Malicious code in acme-http-01-s3 (npm)

The package acme-http-01-s3 was found to contain malicious code...

MAL-2025-14009 Malicious code in acme-http-01-reddis (npm)

The package acme-http-01-reddis was found to contain malicious code...

CVE-2022-30636

httpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator \ vs. /, allowing a user to provide a relative path, i.e...

DEBIAN-CVE-2022-30636

httpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator \ vs. /, allowing a user to provide a relative path, i.e...

CVE-2022-30636

httpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator \ vs. /, allowing a user to provide a relative path, i.e...

CVE-2022-30636 Limited directory traversal vulnerability on Windows in golang.org/x/crypto

httpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator \ vs. /, allowing a user to provide a relative path, i.e...

CVE-2022-30636

httpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator \ vs. /, allowing a user to provide a relative path, i.e...

CVE-2022-30636 Limited directory traversal vulnerability on Windows in golang.org/x/crypto

httpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator \ vs. /, allowing a user to provide a relative path, i.e...