CRITICAL9.8

PYSEC-2026-290

BackendAI Missing Authentication for Critical Function

Quick fix

PYSEC-2026-290 — backend-ai: upgrade to the fixed version with the command below.

pip install --upgrade 'backend-ai>=25.15.6'

Details

Missing Authentication in the registration feature of Lablup's BackendAI allows arbitrary users to create user accounts that can access private data even when registration is disabled.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/backend-ai

Introduced in: 0Fixed in: 25.15.6

Fixpip install --upgrade 'backend-ai>=25.15.6'

References

https://nvd.nist.gov/vuln/detail/CVE-2025-49652[ADVISORY]
https://github.com/lablup/backend.ai/commit/37fc8f70f9bad2dd01fe2e288f9006e96f9914ed[WEB]
https://github.com/lablup/backend.ai/commit/b6d3ddd9e285a7ce59722a37585b9298681eb82f[WEB]
https://github.com/lablup/backend.ai/commit/d7704f506e319acff205d91bfca6e2ca92939983[WEB]
https://github.com/lablup/backend.ai[PACKAGE]
https://hiddenlayer.com/sai_security_advisor/2025-05-backendai-49653[WEB]
https://hiddenlayer.com/sai_security_advisor/2025-06-backendai[WEB]
https://pypi.org/project/backend-ai[PACKAGE]
https://github.com/advisories/GHSA-ww28-4m4v-cq4j[ADVISORY]