Loading vulnerability…
CVE-2026-40454 is an out-of-bounds read vulnerability in the Apache IoTDB C++ client caused by improper input validation in the TsBlock deserializer. When the client processes malformed data returned by a server, the deserialization logic can read beyond intended memory bounds, causing the client process to crash. The issue affects Apache IoTDB C++ client versions 1.3.5 through before 1.3.8 and 2.0.5 through before 2.0.10.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
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.
8 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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.