onyx

onyx --cves cve-2026-39819

CVE-2026-39819

MEDGo
score
<0.1
cvss
5.3
epss
0.1%
published
2026-05-07
kev added
—
first seen

Go 'bug' command contains an unrestricted file write vulnerability caused by writing to predictable temporary files, letting attackers with access to the temp directory overwrite arbitrary files via symlink attack.

Timeline

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

events2026-05-07 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 0.2%2026-09-23: epss 0.2%2026-09-24: epss 0.1%2026-09-25: epss 0.1%2026-09-26: epss 0.1%2026-09-27: epss 0.1%2026-09-29: epss 0.1%2026-09-30: epss 0.1%2026-10-01: epss 0.1%2026-10-02: epss 0.1%2026-10-03: epss 0.1%2026-10-04: epss 0.1%2026-10-05: epss 0.1%2026-10-06: epss 0.1%2026-10-07: epss 0.1%2026-10-08: epss 0.1%2026-10-09: epss 0.1%2026-10-10: epss 0.1%2026-10-11: epss 0.1%2026-10-12: epss 0.1%2026-10-13: epss 0.1%2026-10-14: epss 0.1%2026-10-15: epss 0.1%2026-10-16: epss 0.1%2026-10-18: epss 0.1%2026-10-19: epss 0.1%2026-10-20: epss 0.1%2026-10-21: epss 0.1%0.1%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-59

References 4