Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go
cve-program · CVE-2026-39819
PublishedThe "go bug" command writes to two files with predictable names in the system temporary directory (for example, "/tmp"). An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink.
Read the publisher's advisoryeuvd · EUVD-2026-28422
PublishedThe "go bug" command writes to two files with predictable names in the system temporary directory (for example, "/tmp"). An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink.
Read the publisher's advisorynvd · CVE-2026-39819
PublishedThe "go bug" command writes to two files with predictable names in the system temporary directory (for example, "/tmp"). An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink.
Read the publisher's advisoryosv · GO-2026-4978
PublishedThe "go bug" command writes to two files with predictable names in the system temporary directory (for example, "/tmp"). An attacker with access to the temporary directory can create a symlink in one of these names, causing "go bug" to overwrite the target of the symlink.
Read the publisher's advisoryAffected versions, risk and source history
Related advisories and sources
Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.
CVE-2026-39819 · CVE overview and exploitation status
cve-program · CVE-2026-39819
- https://go.dev/issue/78584
- https://go.dev/cl/763882
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://pkg.go.dev/vuln/GO-2026-4978
euvd · EUVD-2026-28422
- https://go.dev/issue/78584
- https://go.dev/cl/763882
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://pkg.go.dev/vuln/GO-2026-4978
nvd · CVE-2026-39819
- https://go.dev/cl/763882
- https://go.dev/issue/78584
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://pkg.go.dev/vuln/GO-2026-4978
osv · GO-2026-4978
Related changes
Linked by CVE identifierNo related changes are available here.