CVE-2026-40611Published

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

cve-program · CVE-2026-40611

Published

lego

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "go-acme",
                    "product": "lego",
                    "versions": [
                        {
                            "version": "< 4.34.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-24219

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Apr 21, 2026, 5:58:35 PM

dateUpdated: Jul 15, 2026, 1:00:42 AM

1 related source bulletins · separate from aliases

RHSA-2026:21772: Red Hat Security Advisory: Red Hat OpenShift Dev Spaces 3.28.0 Release.

CVE-2025-14813 · CVE-2025-68121 · CVE-2026-0636 · CVE-2026-1525 · CVE-2026-1526 · CVE-2026-1528 · CVE-2026-1605 · CVE-2026-2229 · CVE-2026-2327 · CVE-2026-5588 · CVE-2026-26996 · CVE-2026-27904 · CVE-2026-29074 · CVE-2026-30827 · CVE-2026-31802 · CVE-2026-32141 · CVE-2026-32280 · CVE-2026-32282 · CVE-2026-32305 · CVE-2026-33252 · CVE-2026-33810 · CVE-2026-34742 · CVE-2026-35051 · CVE-2026-39858 · CVE-2026-40477 · CVE-2026-40478 · CVE-2026-40611 · CVE-2026-40895 · CVE-2026-40912 · CVE-2026-40972 · CVE-2026-40973 · CVE-2026-40975 · CVE-2026-41240 · CVE-2026-42033 · CVE-2026-42035 · CVE-2026-42039 · CVE-2026-42041 · CVE-2026-42043 · CVE-2026-42044

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-40611

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Deferred

Weakness classifications: CWE-22

Original publisher date fields

published: 2026-04-21T18:16:52.457

lastModified: 2026-10-26T21:10:00.170

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-qqx8-2xmm-jrv8

Published

github.com/go-acme/lego/v4

SEMVER · introduced 0 → fixed 4.34.0

github.com/go-acme/lego/v3

SEMVER · introduced 0 → last_affected 3.9.0

github.com/go-acme/lego

SEMVER · introduced 0 → last_affected 2.7.2

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2026-5593

Published

github.com/go-acme/lego/v4

SEMVER · introduced 0 → fixed 4.34.0

Original source record · Cite this exact observation · Complete original publisher JSON