high8.1
CVE-2025-49651
Backend.AI Missing Authorization vulnerability
Impact
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. NOTE: The maintainers of BackendAI do not consider this report to fit with their threat model and advise users to follow security advice from https://github.com/lablup/backend.ai/pull/7587 in their instances to protect themselves from the conditions that would lead to the situation described in the CVE record.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | backend.ai | <= 25.3.3 | none recorded |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://hiddenlayer.com/sai_security_advisor/2025-06-backendai/
- https://github.com/advisories/GHSA-h889-475r-wfmm
- https://nvd.nist.gov/vuln/detail/CVE-2025-49651
- https://hiddenlayer.com/sai_security_advisor/2025-05-backendai-49653
- https://hiddenlayer.com/sai_security_advisor/2025-06-backendai
- https://github.com/lablup/backend.ai/pull/7587