cvedb.io
CVE-2026-23835
UNKNOWN · CVSS n/a
EPSS exploitation probability: 0%
Published 2026-01-30T20:16:41.893 · Last modified 2026-06-17T10:22:10.583

Summary

LobeHub is an open source human-and-AI-agent network. Prior to version 1.143.3, the file upload feature in `Knowledge Base > File Upload` does not validate the integrity of the upload request, allowing users to intercept and modify the request parameters. As a result, it is possible to create arbitrary files in abnormal or unintended paths. In addition, since `lobechat.com` relies on the size parameter from the request to calculate file usage, an attacker can manipulate this value to misrepresent the actual file size, such as uploading a `1 GB` file while reporting it as `10 MB`, or falsely declaring a `10 MB` file as a `1 GB` file. By manipulating the size value provided in the client upload request, it is possible to bypass the monthly upload quota enforced by the server and continuously

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.