| Name | CVE-2026-94447 |
| Description | Previously, a user operating inside of a malicious Go project that defines a bogus golang.org/toolchain go.sum entry and operates a malicious GOMODPROXY the user chooses to use can bypass the intended checksum. We now ensure that golang.org/toolchain always goes to the network for the canonical checksum. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| golang-1.19 (PTS) | bookworm | 1.19.8-2 | vulnerable |
| golang-1.24 (PTS) | trixie | 1.24.4-1 | vulnerable |
| golang-1.26 (PTS) | forky, sid | 1.26.10-1 | fixed |
| golang-1.27 (PTS) | forky, sid | 1.27.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| golang-1.19 | source | (unstable) | (unfixed) | |||
| golang-1.24 | source | (unstable) | (unfixed) | |||
| golang-1.25 | source | (unstable) | (unfixed) | |||
| golang-1.26 | source | (unstable) | 1.26.9-1 | |||
| golang-1.27 | source | (unstable) | 1.27.2-1 |
[trixie] - golang-1.24 <no-dsa> (Minor issue)
[bookworm] - golang-1.19 <postponed> (Minor issue)
https://www.openwall.com/lists/oss-security/2026/10/08/9
https://github.com/golang/go/issues/81834
Fixed by: https://github.com/golang/go/commit/68fa7699a27d745f90bf8630202e1a415d1b0769 (go1.27.2)
Fixed by: https://github.com/golang/go/commit/7325b729f07c7ff255b9b5e3f427234ebd21ac47 (go1.26.9)