GHSA-ww28-4m4v-cq4jcritical9.8
BackendAI Missing Authentication for Critical Function
The advisory, in context
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.
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
backend-ai PyPI
Ecosystem versions
Earlier releases before 25.15.6
Fixed in 25.15.6
17 explicitly affected versions
1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.2.0, 1.3.0, 1.4.0, 18.12.0, 19.3.0, 19.3.0a1, 19.9.0, 20.3.0, 20.3.1, 20.9.0, 20.9.0a1.dev0, 21.3.0, 22.3.0
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "25.15.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.0.0",
"1.0.1",
"1.0.2",
"1.1.0",
"1.2.0",
"1.3.0",
"1.4.0",
"18.12.0",
"19.3.0",
"19.3.0a1",
"19.9.0",
"20.3.0",
"20.3.1",
"20.9.0",
"20.9.0a1.dev0",
"21.3.0",
"22.3.0"
]
}backend-ai PyPI
Ecosystem versions
From 25.16.0rc1 before 25.19.0rc1
Fixed in 25.19.0rc1
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "25.16.0rc1"
},
{
"fixed": "25.19.0rc1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": []
}References
- https://nvd.nist.gov/vuln/detail/CVE-2025-49652
- https://github.com/lablup/backend.ai/commit/37fc8f70f9bad2dd01fe2e288f9006e96f9914ed
- https://github.com/lablup/backend.ai/commit/b6d3ddd9e285a7ce59722a37585b9298681eb82f
- https://github.com/lablup/backend.ai/commit/d7704f506e319acff205d91bfca6e2ca92939983
- https://github.com/lablup/backend.ai
- https://github.com/pypa/advisory-database/tree/main/vulns/backend-ai/PYSEC-2026-290.yaml
- https://hiddenlayer.com/sai_security_advisor/2025-05-backendai-49653
- https://hiddenlayer.com/sai_security_advisor/2025-06-backendai
- https://pypi.org/project/backend-ai