CVE-2026-12798

A weakness has been identified in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function load_openapi_spec_async of the file litellm/proxy/_experimental/mcp_server/openapi_to_mcp_generator.py of the component MCP OpenAPI Spec Loader. This manipulation of the argument spec_path causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://gist.github.com/YLChen-007/c1104c529975699ba347feedfbe02c5a	Exploit Third Party Advisory
https://vuldb.com/cve/CVE-2026-12798	Third Party Advisory VDB Entry
https://vuldb.com/submit/811290	Third Party Advisory Exploit VDB Entry
https://vuldb.com/vuln/372560	Third Party Advisory VDB Entry
https://vuldb.com/vuln/372560/cti	Permissions Required VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-21 10:16

Updated : 2026-06-24 19:37

NVD link : CVE-2026-12798

Mitre link : CVE-2026-12798

CVE.ORG link : CVE-2026-12798

JSON object : View

Products Affected

litellm

litellm

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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