High
Improper Authorization in BerriAI/litellm
Type: advisorySources: OSV
An improper authorization vulnerability exists in the main-latest version of BerriAI/litellm. When a user with the role 'internal_user_viewer' logs into the application, they are provided with an overly privileged API key. This key can be used to access all the admin functionality of the application, including endpoints such as '/users/list' and '/users/get_users'. This vulnerability allows for privilege escalation within the application, enabling any account to become a PROXY ADMIN.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-0628
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 17:11 UTC · Revision 1
Source evidence
An improper authorization vulnerability exists in the main-latest version of BerriAI/litellm. When a user with the role 'internal_user_viewer' logs into the application, they are provided with an overly privileged API key. This key can be used to access all the admin functionality of the application, including endpoints such as '/users/list' and '/users/get_users'. This vulnerability allows for privilege escalation within the application, enabling any account to become a PROXY ADMIN.
osv:CVE-2025-0628
Complete source record
{
"id": "35f0321425c506c6a49a21ff01eb34187e19ba4030aa9e8e0f8b12e0f40543ac",
"url": "https://osv.dev/vulnerability/CVE-2025-0628",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Improper Authorization in BerriAI/litellm",
"summary": "An improper authorization vulnerability exists in the main-latest version of BerriAI/litellm. When a user with the role 'internal_user_viewer' logs into the application, they are provided with an overly privileged API key. This key can be used to access all the admin functionality of the application, including endpoints such as '/users/list' and '/users/get_users'. This vulnerability allows for privilege escalation within the application, enabling any account to become a PROXY ADMIN.",
"evidence": "osv:CVE-2025-0628",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-0628",
"aliases": [
"CVE-2025-0628",
"GHSA-fjcf-3j3r-78rp",
"PYSEC-2026-1546"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/berriai/litellm",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "566d9354aab4215091b2e51ad0333e948125fa1b"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "v1.61.15-nightly"
}
],
"source": "AFFECTED_FIELD",
"strategy": "SplitRange"
},
{
"range": [
{
"fixed": "566d9354aab4215091b2e51ad0333e948125fa1b"
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],
"source": "REFERENCES_COMMIT"
}
]
}
}
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-0628.json"
}
}
],
"modified": "2026-10-28T02:30:37.780728793Z",
"provider": "osv",
"references": [
"https://huntr.com/bounties/6c0e2f75-2d03-42f9-9530-e16a973317fc",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/0xxx/CVE-2025-0628.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-0628",
"https://github.com/berriai/litellm/commit/566d9354aab4215091b2e51ad0333e948125fa1b"
],
"provider_metadata": {
"cwe_ids": [
"CWE-266"
],
"cna_assigner": "@huntr_ai",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/0xxx/CVE-2025-0628.json"
}
},
"related_cves": [
{
"value": "CVE-2025-0628",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 505173,
"published_at": "2025-03-20T10:10:45.4+00:00"
}