CVE-2026-40611Published

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 …

Exact source revision recorded 27 Oct 2026 10:10:07 UTC. It does not establish the source's current position. Latest evidence.

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27 Oct 2026 10:10:07 UTC

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 …

nvd · CVE-2026-40611 · Published

25 Oct 2026 09:17:30 UTC

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 …

nvd · CVE-2026-40611 · Published

This citation shows only its exact record and strictly earlier observation times. Open complete latest history.