CVE-2023-6038 is a local file inclusion vulnerability in the h2o-3 REST API version 3.40.0.4. The ImportFiles GET endpoint and ParseSetup POST endpoint can be used to read arbitrary files accessible to the operating-system user running the h2o-3 instance. The issue affects the default installation and is exploitable without authentication or user interaction.
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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.
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No public activity tracked yet. Mallory keeps watching.
No public activity observed for this vulnerability.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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