CVE-2026-118581

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{"bugzilla": {"description": "org.mongodb/bson: MongoDB Java Driver: Unintended command modification via improper BSON document length validation", "id": "2563002", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563002"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-130", "details": ["A BSON encoding component of the MongoDB Java Driver does not verify that an externally supplied raw document's self-declared length agrees with the extent of the byte range it is given before that range is copied into an outgoing database command. An application that wraps untrusted raw bytes in such a document and uses it as part of a command can therefore emit a structurally inconsistent message, causing the database to interpret attacker-supplied trailing content as additional fields of the surrounding command. No authentication to the driver or database is required beyond the ability to influence those bytes through the victim application, and no user interaction is needed. The result is unintended modification of the command actually executed, which can alter the data read or written under the application's credentials.", "A flaw was found in the MongoDB Java Driver. The BSON (Binary JSON) encoding component fails to verify that an externally supplied raw document's declared length matches its actual byte range before copying it into an outgoing database command. A remote attacker can exploit this flaw by submitting crafted input through an application that wraps the raw document into database operations, causing trailing data to be interpreted as additional command fields. This issue allows attackers to alter database commands and potentially read or modify data under the application's credentials."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-118581", "package_state": [{"cpe": "cpe:/a:redhat:exploit_intelligence:0", "fix_state": "Out of support scope", "package_name": "exploit-intelligence/agent-client-rhel9", "product_name": "Exploit Intelligence"}, {"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Fix deferred", "package_name": "bson", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:debezium:3", "fix_state": "Fix deferred", "package_name": "bson", "product_name": "Red Hat build of Debezium 3"}, {"cpe": "cpe:/a:redhat:quarkus:3", "fix_state": "Fix deferred", "package_name": "bson", "product_name": "Red Hat build of Quarkus"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Out of support scope", "package_name": "bson", "product_name": "Red Hat Fuse 7"}], "public_date": "2026-10-28T16:51:21Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-118581\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-118581\nhttps://github.com/mongodb/mongo-java-driver/releases/tag/r5.14.0"], "statement": "This vulnerability is rated as Moderate severity because exploitation requires an application to construct database requests using untrusted, raw BSON byte arrays without prior validation. In standard deployments of Red Hat products embedding the MongoDB Java driver, applications typically use structured document builders or object mappers rather than directly splicing unvalidated raw byte streams into commands. While successful manipulation could permit unauthorized data retrieval or modification within the application's database permissions, typical architectural patterns limit direct exposure.", "threat_severity": "Moderate"}

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