CVE-2026-58449

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When the API is exposed with no TOKEN configured (authentication is opt-in, so all endpoints are unauthenticated) and the index is configured writable, a remote attacker can set function to an arbitrary callable such as subprocess.getoutput, achieving remote code execution as the server process during reindexing. Exploitation requires those deployment conditions (API exposed, no TOKEN, writable index); it is not the default configuration. The fix gates the endpoint behind a new reindex configuration flag."}, {"lang": "es", "value": "txtai hasta la versi\u00f3n 9.10.0, corregido en el commit 11b32da, expone un endpoint de la API /reindex cuyo par\u00e1metro \u2019function body\u2019 se resuelve a trav\u00e9s de txtai.util.Resolver, que realiza __import__ y getattr en la ruta punteada proporcionada por el llamador sin una lista de permitidos. Cuando la API se expone sin ning\u00fan TOKEN configurado (la autenticaci\u00f3n es opcional, por lo que todos los endpoints no est\u00e1n autenticados) y el \u00edndice est\u00e1 configurado como escribible, un atacante remoto puede establecer \u2019function\u2019 a un objeto invocable arbitrario como subprocess.getoutput, logrando ejecuci\u00f3n remota de c\u00f3digo como el proceso del servidor durante la reindexaci\u00f3n. La explotaci\u00f3n requiere esas condiciones de despliegue (API expuesta, sin TOKEN, \u00edndice escribible); no es la configuraci\u00f3n predeterminada. La correcci\u00f3n protege el endpoint detr\u00e1s de un nuevo indicador de configuraci\u00f3n de reindexaci\u00f3n."}], "id": "CVE-2026-58449", "lastModified": "2026-10-25T21:10:00.770", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "NONE", "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:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58449", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-01T12:58:36.282565Z", "version": "2.0.3"}}]}, "published": "2026-06-30T22:16:58.397", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/neuml/txtai/commit/11b32da720f03276199ebc5583c15fc5d1ccafd3"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/neuml/txtai/issues/1111"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/neuml/txtai/issues/1122"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/txtai-unauthenticated-remote-code-execution-via-unsafe-reflection-in-api-reindex-function-parameter"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

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