Is deno affected by CVE-2026-22864?

crates.io deno is affected in <2.5.6.

Is CVE-2026-22864 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

high

CVE-2026-22864

Q: Is CVE-2026-22864 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

crates.io · deno

Summary

Deno has an incomplete fix for command-injection prevention on Windows — case-insensitive extension bypass

Severity: high
EPSS: 0.6% (p45)
Also known as: GHSA-m3c4-prhw-mrx6
Published: 2026-01-16

References

https://github.com/denoland/deno/security/advisories/GHSA-m3c4-prhw-mrx6
https://nvd.nist.gov/vuln/detail/CVE-2026-22864
https://github.com/denoland/deno

Related advisories

CVE-2026-22863 — critical · crates.io/deno
CVE-2022-24783 — critical · crates.io/deno
CVE-2021-32619 — critical · crates.io/deno
CVE-2026-49440 — high · crates.io/deno
CVE-2026-49402 — high · crates.io/deno
CVE-2026-44726 — high · crates.io/deno
CVE-2026-32260 — high · crates.io/deno
CVE-2026-27190 — high · crates.io/deno

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.