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CVE-2025-49652 — Vulnerability in backend-ai — CVE Details

CRITICAL

BackendAI Missing Authentication for Critical Function

Published June 9, 2025Updated June 29, 2026Source: osv

Summary

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.

Advisory Timeline

  • First published June 9, 2025 (490 days ago).
  • Last revised June 29, 2026 — 385 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update backend-ai to 25.15.6 or later
pip install "backend-ai>=25.15.6"
pip
Update backend-ai to 25.19.0rc1 or later
pip install "backend-ai>=25.19.0rc1"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
backend-ai
pypi
1.0.0, 1.0.1, 1.0.2, 1.1.0 (+13 more)25.15.6
backend-ai
pypi
All versions25.19.0rc1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2025-49652?
BackendAI Missing Authentication for Critical Function This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2025-49652?
CVE-2025-49652 affects backend-ai. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-49652 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-ww28-4m4v-cq4j
PYSEC-2026-290

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