Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2026-2699

EAR vulnerability in Progress ShareFile Storage Zones Controller (SZC)

Progress Software / ShareFile Storage Zones Controller · 0 to <= 5.12.3

Watch CVE-2026-2699 Browse KEV feed
Severity
CVSS 9.8 · Critical
Confidence
High
Exploit status
Exploited in the wild
EPSS
3.2%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-2699 is an unauthenticated EAR vulnerability in Progress ShareFile Storage Zones Controller (SZC). Customer Managed ShareFile Storage Zones Controller (SZC) allows an unauthenticated attacker to access...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is high. Also confirmed by third-party sources.

Who is affected?

Progress Software / ShareFile Storage Zones Controller 0 to <= 5.12.3.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

EAR vulnerability in Progress ShareFile Storage Zones Controller (SZC)

Customer Managed ShareFile Storage Zones Controller (SZC) allows an unauthenticated attacker to access restricted configuration pages. This leads to changing system configuration and potential remote code execution.

Progress Affected
ShareFile Storage Zones Controller
Through 5.12.3
View vendor advisory (opens in new tab)
Published
02 Apr 2026
Exploitation Reported
10 Jul 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

nuclei_scanner

CVE References

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 10 Jul 2026

A trusted third party reported exploitation.

Proof of concept available

GitHub

Recorded 25 Mar 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

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Source Added
The Shadowserver First 2026-07-10 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Virtual patch status

Previdian virtual patch guidance is available for this CVE.

AWS WAF Cloudflare ModSecurity

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-2699.yaml 01 Jun 2026

Virtual Patch Detail

Compensating WAF rules for this CVE.

Available

Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to Previdian Enterprise users.

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Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

3.2%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Access Control CWE-284 Execution After Redirect (EAR) CWE-698

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Progress ShareFile Storage Zones Controller - Authentication Bypass

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

  1. 11:33 UTC

    Virtual patch available

    Compensating WAF rule available to block exploitation

  2. 00:00 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party attested exploitation

  3. 14:21 UTC

    Public PoC available

    Public proof-of-concept code published

  4. 15:34 UTC

    Nuclei template available

    Scanner coverage available

  5. 13:04 UTC

    CVE published

    Vulnerability disclosed publicly

  6. 16:18 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-2699

Sample API response 
{
  "cve_id": "CVE-2026-2699",
  "confidence": "High",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.03181,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}