CVE-2026-41232
Froxlor is open source server administration software.
Published Apr 23, 2026 · corrected/updated Jun 17, 2026 · froxlor froxlor · evidence confidence medium
Froxlor is open source server administration software. Prior to version 2.3.6, in , the domain ownership validation for full email sender aliases uses the wrong array index when splitting the email address, passing the local part instead of the domain to . This causes the ownership check to always pass for non-existent "domains," allowing any authenticated customer to add sender aliases for email addresses on domains belonging to other customers. Postfix's then authorizes the attacker to send emails as those addresses. Version 2.3.6 fixes the issue.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-41232 is a medium public vulnerability record for froxlor froxlor. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether froxlor froxlor is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: froxlor/froxlor. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 5.0. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-863. Sources contributing to this record: cve_org, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Apr 23, 2026 · NIST NVD
Detected
Froxlor is open source server administration software. Prior to version 2.3.6, in , the domain ownership validation for full email sender aliases uses the wrong array index when splitting the email address, passing the local part instead of the domain to . This causes the ownership check to always pass for non-existent "domains," allowing any authenticated customer to add sender aliases for email
Jun 17, 2026 · NIST NVD
Updated
Froxlor is open source server administration software. Prior to version 2.3.6, in , the domain ownership validation for full email sender aliases uses the wrong array index when splitting the email address, passing the local part instead of the domain to . This causes the ownership check to always pass for non-existent "domains," allowing any authenticated customer to add sender aliases for email
Affected
- cpe froxlor/froxlorversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-41232
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-41232
Froxlor is open source server administration software. Prior to version 2.3.6, in , the domain ownership validation for full email sender aliases uses the wrong array index when splitting the email address, passing the local part instead of the domain to `vali
nvd.nist.gov