CVE-2025-49651: Backend.AI Missing Authorization vulnerability

June 9, 2025 (updated June 11, 2025)

Missing Authorization in Lablup’s BackendAI allows attackers to takeover all active sessions; Accessing, stealing, or altering any data accessible in the session. This vulnerability exists in all current versions of BackendAI.

References

github.com/advisories/GHSA-h889-475r-wfmm
github.com/lablup/backend.ai
hiddenlayer.com/sai_security_advisor/2025-05-backendai-49653
hiddenlayer.com/sai_security_advisor/2025-06-backendai
nvd.nist.gov/vuln/detail/CVE-2025-49651

Code Behaviors & Features

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