Path traversal via unsanitized upload filename leads to arbitrary file write in Progress ShareFile Storage Zones Controller

Description

In Progress ShareFile Storage Zones Controller v5.12.5 and below, a party with valid zone credentials can perform path traversal using resumable upload initiation endpoint, allowing the party to write arbitrary content to any location writable by the application's service account. This may result in the execution of attacker-supplied code.

Scores

EPSS (exploitation in 30 days)

0.74% · top 45% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.

Weakness

• CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (opens in a new tab)All about CWE-22 and its CVEs
• CWE-73: External Control of File Name or Path (opens in a new tab)All about CWE-73 and its CVEs
• CWE-434: Unrestricted Upload of File with Dangerous Type (opens in a new tab)All about CWE-434 and its CVEs

Affected products

• Progress · ShareFile Storage Zones Controller

  • affected ≤ 5.12.5

What to do

Solution: Upgrade to ShareFile Storage Zones Controller v5.12.6 or later.

References (1)

• https://support.sharefile.com/s/article/ShareFile-Storage-Zone-Controller-SZC-Service-Disruption-Guidance-Login-Issues-and-Access-Information (opens in a new tab)vendor-advisory

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2026-16137](https://trackcve.app/badge/CVE-2026-16137.svg)](https://trackcve.app/cve/CVE-2026-16137)

Record last updated 18 Aug 2026, 03:55 UTC.