CVE-2026-12798
LOW EPSS 17.5%
Published Jun 21, 20261w ago · Modified Jun 22, 20261w ago
2.1 CVSS 4.0
Published Jun 21, 2026 1w ago
Last Modified Jun 22, 2026 1w ago
Description
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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 Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
17.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-918 Server-Side Request Forgery (SSRF) Validation
References 5
- gist.github.com https://gist.github.com/YLChen-007/c1104c529975699ba347feedfbe02c5a
- vuldb.com https://vuldb.com/cve/CVE-2026-12798
- vuldb.com https://vuldb.com/submit/811290
- vuldb.com https://vuldb.com/vuln/372560
- vuldb.com https://vuldb.com/vuln/372560/cti
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.