CVE-2026-4511

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{"affected": [{"affectedData": [{"product": "vanna", "vendor": "vanna-ai", "versions": [{"status": "affected", "version": "2.0.0"}, {"status": "affected", "version": "2.0.1"}, {"status": "affected", "version": "2.0.2"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in vanna-ai vanna up to 2.0.2. Affected is the function exec of the file /src/vanna/legacy. Such manipulation leads to injection. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Una vulnerabilidad de seguridad ha sido detectada en vanna-ai vanna hasta la versi\u00f3n 2.0.2. Afectada es la funci\u00f3n exec del archivo /src/vanna/legacy. Dicha manipulaci\u00f3n conduce a inyecci\u00f3n. El ataque puede ser ejecutado de forma remota. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. El proveedor fue contactado con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "id": "CVE-2026-4511", "lastModified": "2026-06-17T10:56:43.927", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4511", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-23T16:21:41.956818Z", "version": "2.0.3"}}]}, "published": "2026-03-21T09:16:01.017", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/Ka7arotto/cve/blob/main/vanna-rce.md"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?ctiid.352077"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?id.352077"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?submit.773905"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-707"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.0.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.0.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.0.2"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "vanna", "source": "cna", "vendor": "vanna-ai"}, "product": "vanna", "vendor": "vanna-ai"}], "analysis": {"en": {"generated_at": "2026-03-21T09:20:20.162597+00:00", "value": {"mitigation_remediation": ["Update vanna to a version newer than 2.0.2 or apply the vendor\u2019s patch if released", "If a patch is not available, restrict network exposure to the affected service and implement a firewall rule to block unwanted inbound traffic", "Enable audit logging for command execution to detect suspicious activity", "Regularly monitor the vendor\u2019s security advisories for updates"], "summary": {"action": "Apply Patch", "impact": "Remote Command Injection via exec function"}, "threat_synthesis": {"affected_systems": "The issue affects the vanna-ai vanna application up to and including version 2.0.2. No newer versions have been confirmed as fixed in the available data.", "description_and_impact": "A flaw in the exec function of the vanna repository\u2019s legacy module allows an attacker to inject arbitrary shell commands. The vulnerability is exploitable over the network, enabling remote execution of any command the application runs with its privileges. This can compromise confidentiality, integrity, and availability of systems running affected versions of the application.", "risk_and_exploitability": "The CVSS score of 5.3 indicates moderate severity. No EPSS data is available and the flaw is not listed in the CISA KEV catalog. According to the public disclosure, attackers can trigger the injection remotely by supplying malicious input to the /src/vanna/legacy exec route, leading to arbitrary command execution."}}}}, "created": "2026-03-23T09:49:39.185467+00:00", "updated": "2026-03-25T14:41:16.967840+00:00", "vendors": ["vanna-ai", "vanna-ai$PRODUCT$vanna"]}