CVE-2026-2699Public exploitNetwork attack vector

Unauthenticated configuration access via nonterminating redirect

Published Apr 2, 2026 · Updated Apr 2, 2026

Authentication bypass in Progress ShareFile Storage Zones Controller 5.12.3 and earlier allows remote attackers to access configuration pages. ConfigService.Admin redirects unauthenticated requests with Response.Redirect(..., false), so page processing continues and returns the restricted admin body. An exposed customer-managed 5.x controller is sufficient for configuration changes; code execution requires chaining a separate upload flaw.

CVSS severity9.8
Critical
EPSS probability59.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Progress ShareFile Storage Zones Controller 5.12.3 and earlier allows remote attackers to access configuration pages. ConfigService.Admin redirects unauthenticated requests with Response.Redirect(..., false), so page processing continues and returns the restricted admin body. An exposed customer-managed 5.x controller is sufficient for configuration changes; code execution requires chaining a separate upload flaw.

The record

CVE
CVE-2026-2699
Published
Apr 2, 2026
Updated
Apr 2, 2026
Vendor
Progress Software Corporation
Product
ShareFile Storage Zones Controller
Classifications
CWE-284, CWE-698, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=5.12.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Progress Software Corporation · ShareFile Storage Zones Controllerversion=0 <=5.12.3

Published CVSS scores

9.8Progress Software CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
CWE-698Execution After Redirect (EAR)
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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