CVE-2026-58039

NameCVE-2026-58039
DescriptionA flaw in Node.js Permission Model enforcement allows process.report writes (and overwrites) files outside --allow-fs-write paths. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nodejs (PTS)bullseye12.22.12~dfsg-1~deb11u4fixed
bullseye (security)12.22.12~dfsg-1~deb11u8fixed
bookworm, bookworm (security)18.20.4+dfsg-1~deb12u2fixed
trixie (security), trixie20.19.2+dfsg-1+deb13u2vulnerable
forky, sid24.19.0+dfsg+~cs24.13.3-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nodejssourcebullseye(not affected)
nodejssourcebookworm(not affected)
nodejssource(unstable)24.19.0+dfsg+~cs24.13.3-1

Notes

[bookworm] - nodejs <not-affected> (Permission Model is a Node 20+ feature)
[bullseye] - nodejs <not-affected> (Permission Model is a Node 20+ feature)
https://nodejs.org/en/blog/vulnerability/july-2026-security-releases#permission-model-allows-process-reports-to-write-outside-the-allowlist-cve-2026-58039---low
Fixed by: https://github.com/nodejs/node/commit/ed18b9cc073f0b63268d6f2c84730b18e90fdd20 (v22.23.2)

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