Threat Intelligence / CVE / CVE-2026-2701

CVE-2026-2701 — Progress ShareFile Storage Zones Controller

CVSS v3.1 9.1 (CRITICAL) · EPSS 0.2% (higher than 49.6% of all scored CVEs) · Priority 6.5/10 · Published 2026-04-02

As of 2026-04-03, CVE-2026-2701 is a CRITICAL-severity vulnerability in Progress ShareFile Storage Zones Controller, CVSS v3.1 9.1, EPSS 0.2% (49.6th percentile). Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2026-2701, most recently “Progress ShareFile Pre-Auth RCE Chain via Authentication Bypass and Webshell Upload (CVE-2026-2699 & CVE-2026-2701)”.

Last updated: 2026-04-03

What is CVE-2026-2701?

Remote code execution in Progress ShareFile Storage Zones Controller (SZC) 5.x via arbitrary file upload and execution. After exploiting CVE-2026-2699 for admin access, an attacker modifies the Network Share Location to the IIS webroot and uploads a ZIP archive containing a malicious ASPX webshell via /upload.aspx with unzip=true, achieving code execution on the server.

The record classifies CVE-2026-2701 under weakness classes CWE-78, CWE-94, CWE-434. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs high-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 164 days ago.

Severity and exploitation probability

CVSS v3.1 base score
9.1 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS (FIRST)
0.2% probability of exploitation in the next 30 days, higher than 49.6% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
6.5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-04-02, last modified 2026-04-03

Is CVE-2026-2701 being exploited?

It currently carries a trending score of 17 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-2701

No vendor patch reference has been recorded for CVE-2026-2701 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-2701

2 tracked threats in the Threadlinqs corpus reference CVE-2026-2701, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from threat-derived and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2026-2701 are available via the Threadlinqs MCP server (Purple tier). View plans →

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