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CVE-2026-42167

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).
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:018d8ecafaf58401d5545bafa1f81a0933876b78b2d76eccc77f4d27aafdfeba
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"ProFTPD","vendor":"ProFTPD","versions":[{"lessThan":"1.3.9a","status":"affected","version":"1.3.7b","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-89","description":"CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/05/01/13"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/adp/1/references/1
{"url":"http://www.openwall.com/lists/oss-security/2026/05/01/4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/adp/1/references/0
{"url":"http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/cna/references/0
{"url":"https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/adp/0/references/0
{"url":"https://github.com/proftpd/proftpd/issues/2052"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/cna/references/1
{"url":"https://www.openwall.com/lists/oss-security/2026/05/01/4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/cna/references/4
{"url":"https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e96cb24ca0e90cf1f0dd6d2e45a3693c620091d0e24dd9ebd1d41476acdfc5e · sha256:f4a1b839f062a0c9… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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