CVE-2026-27315

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{"affected": [{"affectedData": [{"collectionURL": "https://downloads.apache.org/cassandra/", "defaultStatus": "unaffected", "packageName": "apache-cassandra", "product": "Apache Cassandra", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "4.0.19", "status": "affected", "version": "4.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*", "matchCriteriaId": "C531A747-3AEF-4CDC-B614-784DC3B6213E", "versionEndExcluding": "4.0.20", "versionStartIncluding": "4.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Sensitive Information Leak in cqlsh in Apache Cassandra 4.0 allows access to sensitive information, like passwords, from previously executed cqlsh command via \u00a0~/.cassandra/cqlsh_history\u00a0local file access.\n\nUsers are recommended to upgrade to version 4.0.20, which fixes this issue.\n\n--\nDescription: Cassandra's command-line tool, cqlsh, provides a command history feature that allows users to recall previously executed commands using the up/down arrow keys. These history records are saved in the ~/.cassandra/cqlsh_history file in the user's home directory.\n\nHowever, cqlsh does not redact sensitive information when saving command history. This means that if a user executes operations involving passwords (such as logging in or creating users) within cqlsh, these passwords are permanently stored in cleartext in the history file on the disk."}, {"lang": "es", "value": "Fuga de informaci\u00f3n sensible en cqlsh en Apache Cassandra 4.0 permite el acceso a informaci\u00f3n sensible, como contrase\u00f1as, de comandos cqlsh ejecutados previamente a trav\u00e9s del acceso al archivo local ~/.cassandra/cqlsh_history.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 4.0.20, que corrige este problema.\n\n--\nDescripci\u00f3n: La herramienta de l\u00ednea de comandos de Cassandra, cqlsh, proporciona una funci\u00f3n de historial de comandos que permite a los usuarios recuperar comandos ejecutados previamente usando las teclas de flecha arriba/abajo. Estos registros de historial se guardan en el archivo ~/.cassandra/cqlsh_history en el directorio de inicio del usuario.\n\nSin embargo, cqlsh no redacta informaci\u00f3n sensible al guardar el historial de comandos. Esto significa que si un usuario ejecuta operaciones que involucran contrase\u00f1as (como iniciar sesi\u00f3n o crear usuarios) dentro de cqlsh, estas contrase\u00f1as se almacenan permanentemente en texto claro en el archivo de historial en el disco."}], "id": "CVE-2026-27315", "lastModified": "2026-10-26T22:10:00.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27315", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-09T14:37:35.522951Z", "version": "2.0.3"}}]}, "published": "2026-04-07T17:16:27.827", "references": [{"source": "security@apache.org", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://issues.apache.org/jira/browse/CASSANDRA-21180"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread/ft77zrk2mzt8qsch4g6jqjj4901d22k3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2026/04/07/8"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-532"}], "source": "security@apache.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0,4.0.19]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache Cassandra", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "cassandra", "vendor": "apache"}], "analysis": {"en": {"generated_at": "2026-04-09T16:53:24.605205+00:00", "value": {"mitigation_remediation": ["Upgrade Apache Cassandra to version 4.0.20 or later", "Restrict permissions on the ~/.cassandra/cqlsh_history file so that only the owning user can read it", "Delete or clear the existing history file and reset its ownership and permissions", "Avoid embedding passwords directly in cqlsh commands; use secure parameter files or environment variables instead"], "summary": {"action": "Patch Now", "impact": "Sensitive Information Disclosure"}, "threat_synthesis": {"affected_systems": "The affected vendor is the Apache Software Foundation and the product is Apache Cassandra. The vulnerability exists in all 4.0 releases shipped before the 4.0.20 update, which removes the problematic history behaviour. No specific sub\u2011version is listed; any unpatched 4.0 build should be considered vulnerable.", "description_and_impact": "Cassandra\u2019s command\u2011line shell, cqlsh, records every command it executes in the user\u2019s home directory without sanitising sensitive data. Operations that include passwords, such as login or user creation commands, are written to the ~/.cassandra/cqlsh_history file in cleartext. Consequently, any information entered in those commands becomes permanently accessible to anyone who can read the history file.", "risk_and_exploitability": "The CVSS score of 5.5 indicates moderate severity, while the EPSS score of less than 1% suggests that large\u2011scale exploitation is unlikely. The vulnerability is not present in the CISA KEV catalog. Based on the description, it is inferred that the attack requires local read access to the ~/.cassandra/cqlsh_history file in a user\u2019s home directory. Once read, the stored passwords can be used to compromise the database or broader network resources."}}}}, "created": "2026-04-08T19:36:44.960154+00:00", "updated": "2026-04-10T09:41:27.154585+00:00", "vendors": ["apache", "apache$PRODUCT$cassandra"]}