onyx

onyx --cves cve-2023-39320

CVE-2023-39320

CRITPOCGo
score
<0.1
cvss
9.8
epss
1.8%
published
2023-09-08
kev added
—
first seen

The go.mod toolchain directive in Go 1.21 can be exploited to execute scripts and binaries relative to the module root when the 'go' command is run within the module, affecting modules from proxy or VCS.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2023-09-08 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 1.8%2026-09-23: epss 1.8%2026-09-24: epss 1.8%2026-09-25: epss 1.8%2026-09-26: epss 1.8%2026-09-27: epss 1.8%2026-09-28: epss 1.8%2026-09-29: epss 1.8%2026-09-30: epss 1.7%2026-10-01: epss 1.7%2026-10-02: epss 1.8%2026-10-03: epss 1.8%2026-10-04: epss 1.8%2026-10-05: epss 1.8%2026-10-06: epss 1.8%2026-10-07: epss 1.8%2026-10-08: epss 1.8%2026-10-09: epss 1.8%2026-10-10: epss 1.8%2026-10-11: epss 1.8%2026-10-12: epss 1.8%2026-10-13: epss 1.8%2026-10-14: epss 1.8%2026-10-15: epss 1.8%2026-10-16: epss 1.8%2026-10-18: epss 1.8%2026-10-19: epss 1.8%2026-10-20: epss 1.8%2026-10-21: epss 1.8%1.8%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-94

References 6