{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-41235", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-18T03:47:03.134Z", "datePublished": "2026-06-04T17:50:09.899Z", "dateUpdated": "2026-06-08T18:29:21.384Z"}, "containers": {"cna": {"title": "Froxlor has an authorization bypass in FTP shell assignment via missing server-side `available_shells` enforcement", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P", "version": "4.0"}}], "references": [{"name": "https://github.com/froxlor/froxlor/security/advisories/GHSA-gcv3-5v9q-fmhh", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/froxlor/froxlor/security/advisories/GHSA-gcv3-5v9q-fmhh"}, {"name": "https://github.com/froxlor/froxlor/releases/tag/2.3.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/froxlor/froxlor/releases/tag/2.3.7"}], "affected": [{"vendor": "froxlor", "product": "froxlor", "versions": [{"version": "= 2.3.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-04T17:50:09.899Z"}, "descriptions": [{"lang": "en", "value": "Froxlor is open source server administration software. Version 2.3.6 lets administrators configure `system.available_shells` as the approved shell list that customers may assign to FTP users. However, the server-side FTP account handlers do not enforce that whitelist when processing add or edit requests. As a result, an authenticated customer with shell delegation enabled can submit an arbitrary shell such as `/bin/bash` even when the panel UI only offers more restricted choices. In deployments that use the default `nssextrausers` integration, the attacker-controlled shell is then propagated into the system account database, leading to real host shell access. Version 2.3.7 fixes the issue."}], "source": {"advisory": "GHSA-gcv3-5v9q-fmhh", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/froxlor/froxlor/security/advisories/GHSA-gcv3-5v9q-fmhh", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-08T18:29:06.216963Z", "id": "CVE-2026-41235", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-08T18:29:21.384Z"}}]}}

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