HOMEVULNERABILITIESCVE-2026-12798
MEDIUM

CVE-2026-12798

CWE-918Published: June 21, 2026· Updated: Jun 24, 2026

6.3
CVSS v3.1
EPSS:0.21%probability of exploitation in 30 daysPercentile:10.5th

Official 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.

NVD Source

Technical Analysis

CVE-2026-12798 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected Vendors & Products

litellm1 product
litellm
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://gist.github.com/YLChen-007/c1104c529975699ba347feedfbe02c5a
ADVISORYhttps://vuldb.com/cve/CVE-2026-12798
ADVISORYhttps://vuldb.com/submit/811290
ADVISORYhttps://vuldb.com/vuln/372560

All References (5)

→
https://gist.github.com/YLChen-007/c1104c529975699ba347feedfbe02c5aExploit · Third Party Advisory
→
https://vuldb.com/cve/CVE-2026-12798Third Party Advisory · VDB Entry
→
https://vuldb.com/submit/811290Third Party Advisory · Exploit · VDB Entry
→
https://vuldb.com/vuln/372560Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/372560/ctiPermissions Required · VDB Entry

Quick Facts

CVE IDCVE-2026-12798
CVSS Score6.3 / 10
SeverityMEDIUM
WeaknessCWE-918
CISA KEVNo
EPSS (30d)0.21%
Affected1 vendor
PublishedJun 21, 2026

Related CVEs (CWE-918)

CVE-2026-47938
10.0
CVE-2026-32871
10.0
CVE-2026-2053
10.0
CVE-2026-32186
10.0
CVE-2026-13773
10.0
CVE-2026-32169
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-12798 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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