Vulnerability Report

CVE-2026-47101

Title: Privilege Escalation via API Key Creation Bypass

Auth Bypass

Proof Of Concept

PoC Available for CVE-2026-47101

CWE Category CWE-863

Published Date May 21, 2026

Modified Date Jun 11, 2026

Exploit Status Available

Score 8.7 CVSS v4.0

Exploit Probability (EPSS)

0.46%

Vulnerability Summary

CVE-2026-47101: LiteLLM prior to 1.83.14 allows an authenticated internal_user to create API keys with access to routes that their role does not permit. When generating a key, the allowed_routes field is stored without verifying that the specified routes fall within the user's own permissions. A key created with access to admin-only routes can then be used to reach those routes successfully, bypassing the role-based access controls that would otherwise block the request, enabling full privilege escalation from internal_user to proxy_admin.

Impacted Vendors

Reference Links

https://gist.github.com/13ph03nix/9ec616e1fdc77b3673509c60206e827f https://github.com/BerriAI/litellm/commit/2220f3076ac89bd2a2e3439acf57dcfbec2434c9 https://github.com/BerriAI/litellm/commit/5190bd07eb23a037745d86328096f54378f1614a https://github.com/BerriAI/litellm/commit/d910a95661fce3cdd36f3b06c03ecf9c46c6457c https://github.com/BerriAI/litellm/releases/tag/v1.83.14-stable https://huntr.com/bounties/8e75edfb-ff05-4e63-bfca-2d93d03fb3b9 https://www.vulncheck.com/advisories/litellm-privilege-escalation-via-api-key-generation

CVSS v4.0

Source Entity [email protected]

Severity HIGH

8.7

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

N/A

RAW VECTOR

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-47101 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/learner202649/CVE-2026-47101-PoC

View Code

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Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected Stack

No specific products linked.