CVE-2026-39817 (GCVE-0-2026-39817)
Vulnerability from cvelistv5
Published
2026-05-07 19:41
Modified
2026-05-08 21:29
Severity ?
VLAI Severity ?
EPSS score ?
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go toolchain | cmd/go |
Version: 0 ≤ Version: 1.26.0-0 ≤ |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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