CVE-2026-93694 Progress CVE debrief

Who should care

Defenders responsible for Progress ShareFile Storage Zones Controller instances, particularly those with exposure to untrusted networks or users, should assess their deployment for potential vulnerability and prioritize remediation.

Why it matters

CVE-2026-93694 allows attackers to manipulate copy workflows in Progress ShareFile Storage Zones Controller, potentially disrupting file copy services and impacting business operations. Defenders should prioritize verifying and remediating vulnerable instances, focusing on validating callback URLs and monitoring copy queue activities.

• Potential manipulation of copy workflows, allowing attackers to consume controlled metadata and content
• Possible disruption of file copy services, impacting business operations
• Need for verification of callback URL validation and copy queue monitoring
• Requirement for timely application of vendor-provided security updates

Technical summary

The vulnerability in Progress ShareFile Storage Zones Controller allows an attacker to manipulate copy workflows by sending acknowledgements to an unvalidated callback URL, potentially consuming attacker-controlled metadata and content. This behavior, combined with a race condition, allows the attacker to cause FileCopyService to consume controlled metadata and content. Exploitation requires control over copy queue work and a race condition. The vulnerability has a CVSS score of 4 and MEDIUM severity. Defenders should prioritize verifying and remediating Progress ShareFile Storage Zones Controller v5.12.6 and below instances, focusing on validating callback URLs and monitoring for suspicious copy queue.

Defensive priority

Defenders should prioritize verifying and remediating Progress ShareFile Storage Zones Controller v5.12.6 and below instances, focusing on validating callback URLs and monitoring for suspicious copy queue activities.

Recommended defensive actions

• Validate and restrict callback URLs for queue items in Progress ShareFile Storage Zones Controller
• Monitor copy queue activities for suspicious metadata and content consumption
• Verify and apply vendor-provided security updates for ShareFile Storage Zones Controller
• Implement additional logging and monitoring to detect potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, including its CVSS score of 4 and MEDIUM severity. The vendor, Progress, has provided an advisory for ShareFile Storage Zones Controller.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.