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CVE-2026-77414 is a critical code-injection vulnerability in JSONata. In affected releases, the environment.lookup function relied on a bypassable hasOwnProperty check. A crafted JSONata expression can abuse JSONata built-ins and prototype/constructor traversal to access the object prototype, obtain Node.js module-loading functionality, load child_process, and execute commands in the host process context.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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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.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Critical arbitrary-code-execution vulnerability in JSONata caused by a bypassable hasOwnProperty check in environment.lookup. Crafted expressions can access the object prototype and load child_process through process.getBuiltinModule, enabling code execution as the host process.
An arbitrary code execution vulnerability in JSONata caused by a bypassable hasOwnProperty check in environment.lookup, allowing crafted JSONata expressions to reach the object prototype and execute code via child_process.
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.