En resumen
- CVE-2026-39817 es una vulnerabilidad MEDIO (CVSS 5.9) que afecta a toolchain, go (golang).
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.17%, mayor que el 6.4% de las vulnerabilidades.
- Solución: actualizar a 1.26.3, 1.25.10 o posterior.
| Package | Affected versions | Patched versions |
|---|
| toolchain Go | ≥ 1.26.0-0, < 1.26.3< 1.25.10
| 1.26.31.25.10
|
| go | ≥ 1.26.0, < 1.26.3< 1.25.10
| 1.26.31.25.10
|
Description
The "go tool pack" subcommand (usually used only by the compiler as an internal tool with known-good inputs) does not sanitize output filenames. Extracting a malicious archive file with the "pack" subcommand can write files to arbitrary locations on the filesystem.
NVD description
The "go tool pack" subcommand (usually used only by the compiler as an internal tool with known-good inputs) does not sanitize output filenames. Extracting a malicious archive file with the "pack" subcommand can write files to arbitrary locations on the filesystem.
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