29 matches found
dogtag-pki: pki-core: redhat-pki: pki: ACME HTTP-01 validation SSRF via IP literal identifiers and unvalidated redirects
A flaw was found in Dogtag PKI's ACME responder where the HTTP-01 challenge validator accepts IP address literals as dns identifiers and follows HTTP redirects without validating that the target is a public address. An unauthenticated ACME account holder can exploit this to perform server-side...
Moderate: Red Hat Security Advisory: Red Hat Certificate System 10.4.4 security and bug fix update for RHEL 8
An update for Red Hat Certificate System 10.4 for RHEL 8.6 is now available. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...
CVE-2026-18369
A flaw was found in Dogtag PKI's ACME responder where the HTTP-01 challenge validator accepts IP address literals as dns identifiers and follows HTTP redirects without validating that the target is a public address. An unauthenticated ACME account holder can exploit this to perform server-side...
CVE-2026-18369
A flaw was found in Dogtag PKI's ACME responder where the HTTP-01 challenge validator accepts IP address literals as dns identifiers and follows HTTP redirects without validating that the target is a public address. An unauthenticated ACME account holder can exploit this to perform server-side...
CVE-2026-18369 Dogtag-pki: pki-core: redhat-pki: pki: acme http-01 validation ssrf via ip literal identifiers and unvalidated redirects
A flaw was found in Dogtag PKI's ACME responder where the HTTP-01 challenge validator accepts IP address literals as dns identifiers and follows HTTP redirects without validating that the target is a public address. An unauthenticated ACME account holder can exploit this to perform server-side...
CVE-2026-18369: Server-Side Request Forgery (SSRF)
A flaw was found in Dogtag PKI's ACME responder where the HTTP-01 challenge validator accepts IP address literals as dns identifiers and follows HTTP redirects without validating that the target is a public address. An unauthenticated ACME account holder can exploit this to perform server-side...
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...
CVE-2026-40611: Improper Limitation of a Pathname to a Restricted Directory
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...
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-reddis (npm)
The package acme-http-01-reddis 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...
MAL-2025-14009 Malicious code in acme-http-01-reddis (npm)
The package acme-http-01-reddis was found to contain malicious code...