CVE-2026-40611
CVE Details
Visit the official vulnerability details page for CVE-2026-40611 to learn more.
Initial Publication
04/21/2026
Last Update
06/30/2026
Third Party Dependency
github.com/go-acme/lego/v4
NIST CVE Summary
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 write attacker-influenced content to any path writable by the lego process. This vulnerability is fixed in 4.34.0.
CVE Severity
Our Official Summary
Investigation is ongoing to determine how this vulnerability affects our products.
Status
Deferred
Affected Products & Versions
| Version | PaletteAI | PaletteAI VerteX |
|---|---|---|
| 1.3.2 | ⚠️ Impacted | ⚠️ Impacted |
| 1.2.2 | ⚠️ Impacted | ⚠️ Impacted |
| 1.1.8 | ⚠️ Impacted | ⚠️ Impacted |
Revision History
No revisions available.