Main Vulnerability Database Vulnerabilities #VU132348

Path traversal in node-tmp - CVE-2026-44705

Published: May 27, 2026

Vulnerability identifier: #VU132348

CSH Severity: High

CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-44705

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within unsanitized prefix/postfix. A remote attacker can send a specially crafted HTTP request and create arbitrary files on the system.

Affected software

node-tmp
Jira Service Management Data Center
Jira Software Data Center

How to mitigate CVE-2026-44705

Install updates from vendor's website.

node-tmp - update to 0.2.6
Jira Service Management Data Center - update to 10.3.23
Jira Software Data Center - addressed in versions 10.3.23, 11.3.8

Links to Public Exploits and PoC-codes

Exploit #12750 - Path Traversal via unsanitized prefix/postfix enables directory escape in tmp (May 27, 2026)

External References

https://github.com/raszi/node-tmp/security/advisories/GHSA-ph9p-34f9-6g65