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CVE-2026-40611

Опубликовано: 21 апр. 2026
Источник: ubuntu
Приоритет: medium
CVSS3: 8.8

Описание

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.

РелизСтатусПримечание
devel

needs-triage

esm-apps/bionic

needs-triage

esm-apps/focal

needs-triage

esm-apps/jammy

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

jammy

needs-triage

noble

needs-triage

questing

ignored

end of life, was needs-triage
resolute

needs-triage

Показывать по

8.8 High

CVSS3

Связанные уязвимости

CVSS3: 8.8
redhat
4 месяца назад

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.

CVSS3: 8.8
nvd
4 месяца назад

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.

CVSS3: 8.8
debian
4 месяца назад

Let's Encrypt client and ACME library written in Go (Lego). Prior to 4 ...

CVSS3: 8.8
github
4 месяца назад

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

8.8 High

CVSS3