CuraSec

Plan active

GitHub RCE CVE-2026-3854 with public PoC, low EPSS

2026-10-10 16:14 UTC · HN (cve) · read the source ↗ #rce#github#ci-cd
  • Engineer — Plan: Public PoC exists for this RCE but EPSS is 0.02 and no KEV listing — patch GitHub Enterprise to the latest release this sprint before exploitation interest picks up; GitHub.com is already patched by GitHub.
  • SOC/IR — Plan: Public PoC lowers the bar for opportunistic exploitation; build or tune detections for anomalous GitHub API calls and unexpected Actions runner behavior as an exploitation precursor before active campaign activity emerges.
  • Leader — Learn: RCE in a widely-used developer platform is worth noting for the risk register, but no active exploitation and a very low EPSS score mean this does not yet warrant leadership escalation or customer communication.
  • Signals: CVE-2026-3854 — CISA KEV: not listed, EPSS 0.02, public PoC on GitHub
This entry was curated and judged by AI (Claude) with automated enrichment (CISA KEV / EPSS / public PoC). Verify against the original source before acting. Found a bad verdict? Report it — confirmed errors go to the corrections log.