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CVE-2026-19001 is an out-of-bounds write vulnerability in the MongoDB BI Connector ODBC Driver affecting versions 1.0.0 through 1.4.8. The flaw occurs when a metadata retrieval function processes an unusually long catalog, schema, or object name and writes beyond the bounds of a fixed-size buffer. Release notes indicate the issue was addressed by adding name-length clamping logic in catalog-related functions. Successful exploitation can corrupt memory in the calling application's process, causing crashes and, under certain conditions, enabling arbitrary code execution.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.