CVE-2026-42167

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

7.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 94.0% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-24.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-04-28 00:00Z4 MO AGO

Last updated

2026-05-01 18:22Z4 MO AGO

Reserved

2026-04-24

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')Base

Data version

5.2

Document digest

f4a1b839f062a0c923435e1280e8a3706d219be32a5b8c9ae6d84bc8e7111f82

• www.proftpd.orghttp://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1
• github.comhttps://github.com/proftpd/proftpd/issues/2052
• zeropath.comhttps://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce
• github.comhttps://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2026/05/01/4
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/05/01/4
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/05/01/13