CVE-2026-116641

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{"bugzilla": {"description": "github.com/mongodb/mongo-tools: mongo-tools: Information disclosure via improper certificate validation", "id": "2563229", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563229"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-295", "details": ["The DB Tools rely on the TLS implementation in Golang\u2019s standard library, which generally uses the system CA store. However, the crypto/x509 package also has its own internal denylist of known-bad CA certificates. Golang 1.27.3 adds the eMudhra certificates to this list.\nDB Tools version 100.19.0 was compiled with Golang 1.26.8, which does not include this check.\nThe issue is resolved by updating to Golang 1.27.3 in DB Tools 100.20.0", "A flaw was found in mongo-tools. The application fails to reject connections using certificates issued by distrusted Certificate Authorities (CAs) due to an incomplete internal certificate denylist. A remote attacker in an intercepted network position could exploit this flaw by presenting a fraudulent certificate, enabling them to intercept and alter encrypted Transport Layer Security (TLS) traffic, resulting in information disclosure and data tampering."], "mitigation": {"lang": "en:us", "value": "Upgrading the container build to a mongo-tools/DB Tools >= 100.20.0 release (Go 1.27.3 rebuild) or rebuilding with Go >= 1.27.3 resolves the exposure; avoid distrusted-CA certificates."}, "name": "CVE-2026-116641", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:9", "fix_state": "Fix deferred", "package_name": "rhceph/alloy-rhel10", "product_name": "Red Hat Ceph Storage 9"}], "public_date": "2026-10-28T21:48:52Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-116641\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-116641\nhttps://www.mongodb.com/docs/database-tools/release-notes/dbtools-100.20.0-changelog/"], "statement": "This vulnerability is rated as having a Moderate impact because successful exploitation requires an adversary to occupy an active man-in-the-middle network position and present a certificate issued by a specific distrusted Certificate Authority. In Red Hat environments, database utilities compiled against earlier runtime releases lack the updated embedded revocation table, which may permit TLS connections to untrusted endpoints under compromised network conditions. Because the flaw cannot be triggered without intercepting client traffic and requires access to fraudulent certificates from the affected authority, the overall risk remains constrained.", "threat_severity": "Moderate"}

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