toolchain has 4 CVEs on record. 2 were published in the last 90 days. The median CVSS is 6.8 (medium).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 6.8
- Publish → KEV
- —
- Last 90 days
- 2 prev 2
Worst active — by depth score
CVE-2026-94447High· 7.8Previously, 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 checksum43CVE-2026-94444High· 7.8Previously, a user operating inside of a malicious Go project that defines a bogus golang.org/fips140 and operates a malicious GOMODPROXY the user chooses to connect to can serve an arbitrary module in its place43CVE-2026-39817Medium· 5.9Invoking "go tool pack" does not sanitize output paths in cmd/go32CVE-2026-39819Medium· 4.4Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go24
toolchain vulnerabilities
CVEs affecting toolchain, newest first. Open any entry for full detail, references, and exploit status.
4 CVEsRSS
CVE-2026-94447High· 7.8Previously, 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
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.…
CVE-2026-94444High· 7.8Previously, a user operating inside of a malicious Go project that defines a bogus golang.org/fips140 and operates a malicious GOMODPROXY the user chooses to connect to can serve an arbitrary module in its place
Previously, a user operating inside of a malicious Go project that defines a bogus golang.org/fips140 and operates a malicious GOMODPROXY the user chooses to connect to can serve an arbitrary module in its place. We now unpack the truste…
CVE-2026-39817Medium· 5.9Invoking "go tool pack" does not sanitize output paths in cmd/go
Invoking "go tool pack" does not sanitize output paths in cmd/go
CVE-2026-39819Medium· 4.4Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go
Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go