CVE-2026-52475 AiFlowy CVE debrief

Who should care

Users of aiflowy version 2.1.2 or earlier should apply patches or mitigations to prevent exploitation of this vulnerability. This includes administrators, security teams, and operators who manage affected deployments. Reviewing compensating controls and monitoring for suspicious activity related to the UploadController.java file is also recommended.

Technical summary

CVE-2026-52475 is a Cross Site Scripting vulnerability in aiflowy version 2.1.2 or earlier. The vulnerability is exploitable via the UploadController.java file, allowing a remote attacker to obtain sensitive information. The CVSS score for this vulnerability is 6.1, with a severity rating of MEDIUM. To mitigate this issue, it is recommended to apply patches or updates, implement input validation and output encoding, and monitor for suspicious activity.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability to prevent potential exploitation. This involves reviewing the official advisory, planning vendor-supported updates or mitigations, and verifying compensating controls for exposed systems.

Recommended defensive actions

• Apply patches or updates to aiflowy version 2.1.2 or earlier
• Implement input validation and output encoding to prevent XSS attacks
• Monitor for suspicious activity related to the UploadController.java file
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

Evidence for this vulnerability comes from the NVD and CVE.org records. The CVE record was published on 2026-07-21T21:16:52.203Z and last modified on 2026-07-22T20:50:36.493Z. The source item URL and additional references provide further context for this issue. However, the exact scope of affected systems and potential impact are not explicitly stated, requiring further verification.

Official resources