Vulnerability Report

CVE-2026-47102

Title: Privilege Escalation via User Role Modification

Other

Proof Of Concept

PoC Available for CVE-2026-47102

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)

0.38%

Vulnerability Summary

CVE-2026-47102: LiteLLM prior to 1.83.10 allows a user to modify their own user_role via the /user/update endpoint. While the endpoint correctly restricts users to updating only their own account, it does not restrict which fields may be changed. A user who can reach this endpoint can set their role to proxy_admin, gaining full administrative access to LiteLLM including all users, teams, keys, models, and prompt history. Users with the org_admin role have legitimate access to this endpoint and can exploit this vulnerability without chaining any additional flaw.

Impacted Vendors

Reference Links

https://gist.github.com/13ph03nix/9ec616e1fdc77b3673509c60206e827f https://github.com/BerriAI/litellm/commit/128d32d2494b759c5d15da3452452af4c6a34c01 https://github.com/BerriAI/litellm/commit/e6f18ce75b111c9b93dc15c72894cbdeb53177ce https://github.com/BerriAI/litellm/pull/25541 https://github.com/BerriAI/litellm/releases/tag/v1.83.10-stable https://huntr.com/bounties/8e75edfb-ff05-4e63-bfca-2d93d03fb3b9 https://www.vulncheck.com/advisories/litellm-privilege-escalation-via-user-update

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-2026-47102 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/learner202649/CVE-2026-47102-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.