CVE•Published 2026-02-27•1 article on news•7 live references•NVD data
CVE-2026-28288
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
5.5
MEDIUM
EPSS percentile
46
Exploit Prediction Scoring System · top 54% of all CVEs
Description
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.
Timeline
Published 2026-02-27
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-28288Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Dify Dify"All exposed Dify Dify instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Dify"HTTP body or banner mentions "Dify" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-28288Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-28288Censys host search filtered to this CVE id.
grep.app
CVE-2026-28288Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-28288GitHub code search for direct mentions.
Google dork
"CVE-2026-28288" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-28288 on GitHub.