CVE-2026-40611
4 advisories.
Go/github.com/go-acme/lego/v4 CVE-2026-40611: high 8.8
ACME Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider
Action: Upgrade github.com/go-acme/lego/v4 to 4.34.0 or later.
go get github.com/go-acme/lego/v4@v4.34.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.34.0 | - |
Fixed versions
| 4.34.0 |
Sources
- osv: GHSA-qqx8-2xmm-jrv8
- https://github.com/go-acme/lego/security/advisories/GHSA-qqx8-2xmm-jrv8
- https://nvd.nist.gov/vuln/detail/CVE-2026-40611
- https://github.com/go-acme/lego
CVE-2026-40611 · published · modified · JSON
Go/github.com/go-acme/lego/v3 CVE-2026-40611: high 8.8
ACME Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 3.9.0 |
Fixed versions
No fixed version in the source.
Sources
- osv: GHSA-qqx8-2xmm-jrv8#Go/github.com/go-acme/lego/v3
- https://github.com/go-acme/lego/security/advisories/GHSA-qqx8-2xmm-jrv8
- https://nvd.nist.gov/vuln/detail/CVE-2026-40611
- https://github.com/go-acme/lego
CVE-2026-40611 · published · modified · JSON
Go/github.com/go-acme/lego CVE-2026-40611: high 8.8
ACME Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 2.7.2 |
Fixed versions
No fixed version in the source.
Sources
- osv: GHSA-qqx8-2xmm-jrv8#Go/github.com/go-acme/lego
- https://github.com/go-acme/lego/security/advisories/GHSA-qqx8-2xmm-jrv8
- https://nvd.nist.gov/vuln/detail/CVE-2026-40611
- https://github.com/go-acme/lego
CVE-2026-40611 · published · modified · JSON
Go/github.com/go-acme/lego/v4 CVE-2026-40611: unknown
ACME Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider in github.com/go-acme/lego
Action: Upgrade github.com/go-acme/lego/v4 to 4.34.0 or later.
go get github.com/go-acme/lego/v4@v4.34.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.34.0 | - |
Fixed versions
| 4.34.0 |
Sources
CVE-2026-40611 · published · modified · JSON