CVE-2026-28288: Dify has a user enumeration issue
langgenius · dify
Affected: langgenius dify · Exploitation: check available, not yet exploited
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 53% of scored CVEs
DescriptionCVE.org
Dify is an open-source LLM app development platform. Prior to 1.9.0, responses from the Dify API to existing and non-existent accounts differ, allowing an attacker to enumerate email addresses registered with Dify. Version 1.9.0 fixes the issue.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- langgenius · dify< 1.9.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Check available, not yet exploited. A public nuclei template can confirm it on a system you are authorised to test.
- CISA KEV
- Not listed
- Public check
- Dify User Enumeration via Observable Response Discrepancy · nuclei template in projectdiscovery/nuclei-templates
- Vendor
- langgenius
- Published
- February 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-28288 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.