Is @github/copilot affected by CVE-2026-45033?

npm @github/copilot is affected in <1.0.43.

Is CVE-2026-45033 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

high

CVE-2026-45033

Q: Is CVE-2026-45033 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

npm · @github/copilot

Summary

GitHub Copilot CLI: Nested Bare Repository Can Execute Arbitrary Commands via core.fsmonitor

Severity: high
EPSS: 0.4% (p27)
Also known as: GHSA-9ccr-r5hg-74gf
Published: 2026-05-11

References

https://github.com/github/copilot-cli/security/advisories/GHSA-9ccr-r5hg-74gf
https://nvd.nist.gov/vuln/detail/CVE-2026-45033
https://github.com/github/copilot-cli

Is your project exposed to this? Stateward checks every dependency on every pull request and flags it only if your code actually reaches it.

Check my repo

Summarize with AI

ChatGPT Claude Perplexity

Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.