CVE•Published 2026-04-28•Modified 2026-07-24•2 articles on news•6 live references•NVD data
CVE-2026-42167Proftpd · Proftpd
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
90
Exploit Prediction Scoring System · top 10% of all CVEs
Weaknesses (CWE)
Description
mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM).
Timeline
Published 2026-04-28
Modified 2026-07-24
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 tag38,564 hosts
vuln:CVE-2026-42167Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Proftpd Proftpd"All exposed Proftpd Proftpd instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Proftpd"HTTP body or banner mentions "Proftpd" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-42167Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-42167Censys host search filtered to this CVE id.
grep.app
CVE-2026-42167Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-42167GitHub code search for direct mentions.
Google dork
"CVE-2026-42167" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (7)
CVE-2026-421677 repos
killvxk/gitweeklyPython
收集各种有趣的github项目
DarkFunct/TK-CVE-RepoPython
TK-CVE-Repo
ZeroPathAI/proftpd-CVE-2026-42167-pocPython
POCs to demonstrate CVE-2026-42167 in ProFTPD
vulncheck-oss/initial-access-communityGo
Initial Access Exploits and Associated Artifacts
holmanholdings/lionguardPython
Cathedral-Grade Security for AI Agents. Attack vectors updated daily. Local-first, zero API cost. MIT licensed.
dinosn/proftpd-CVE-2026-42167-analysisPython
Independent reproduction, code-level root-cause analysis, and realistic-exposure write-up for CVE-2026-42167 (ProFTPD mod_sql is_escaped_text() bypass).
jimmexploit/CVE-2026-42167-PoCGo
ProFTPD SQL injection PoC