CVE-2026-56847: Nodejs · A flaw in Node.js Permission Model enforcement allows trace_events.createTracing().enable() Writes Trace Logs Outside --allow-fs-write
Affects nodejsSource GCVE Database
Not known to be exploited · CVSS 3.3 Low.
Data as of 29 Oct 2026, 07:15 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 30 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10nodejspkg:deb/ubuntu/nodejs?arch=source&distro=stonkingOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSnodejspkg:deb/ubuntu/nodejs?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSnodejspkg:deb/ubuntu/nodejs?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu Pro 22.04 LTSnodejspkg:deb/ubuntu/nodejs?arch=source&distro=esm-apps/jammyOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTSnodejspkg:deb/ubuntu/nodejs?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSnodejspkg:deb/ubuntu/nodejs?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until an official fix is available, users should be cautious when using trace_events.createTracing().enable() in environments where strict file system write permissions are required. Monitoring for updates from the Node.js project or relevant vendor advisories is recommended.
Description
A flaw in Node.js Permission Model enforcement allows `trace_events.createTracing().enable()` Writes Trace Logs Outside `--allow-fs-write`. 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**.
References
- nvd.nist.gov/vuln/detail/CVE-2026-56847 (opens in a new tab)
- nodejs.org/en/blog/vulnerability/july-2026-security-releases (opens in a new tab)
- ubuntu.com/security/CVE-2026-56847 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-56847 (opens in a new tab)
- nodejs.org/en/blog/vulnerability/july-2026-security-releases (opens in a new tab)