# CVE-2026-125087: Michael-A-Kuykendall Shimmy Inference API server.rs missing authentication

Status: published. Published: 2026-11-10. Updated: 2026-11-10.

A vulnerability was found in Michael-A-Kuykendall Shimmy up to 2.6.4. The affected element is an unknown function of the file src/server.rs of the component Inference API. Performing a manipulation results in missing authentication. The attack is possible to be carried out remotely. Upgrading to version 2.6.5 is sufficient to fix this issue. The patch is named 3f2ee748c02eeb229987913fe289a2ed9a24595d. You should upgrade the affected component.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/Michael-A-Kuykendall/shimmy/commit/3f2ee748c02eeb229987913fe289a2ed9a24595d
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/Michael-A-Kuykendall/shimmy/releases/tag/v2.6.5

## Affected products and versions

- Michael-A-Kuykendall / Shimmy: 2.6.0 (affected); 2.6.1 (affected); 2.6.2 (affected); 2.6.3 (affected); 2.6.4 (affected); 2.6.5 (unaffected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 7.3 (high); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 7.5 (high); AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-306, CWE-287

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://vuldb.com/vuln/433198 (CNA: VulDB; vdb-entry)

- https://vuldb.com/vuln/433198/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-125087 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1042415 (CNA: VulDB; third-party-advisory)

- https://github.com/Michael-A-Kuykendall/shimmy/issues/221 (CNA: VulDB; issue-tracking)

- https://github.com/Michael-A-Kuykendall/shimmy/commit/3f2ee748c02eeb229987913fe289a2ed9a24595d (CNA: VulDB; patch)

- https://github.com/Michael-A-Kuykendall/shimmy/releases/tag/v2.6.5 (CNA: VulDB; patch)

- https://github.com/Michael-A-Kuykendall/shimmy/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-125087; retrieved 2026-11-10; source updated 2026-11-10

Revision: 520d53f4008ad3c1963cbac72eb08d6ad37349abc2249d4931b08f2f81b149d2

Canonical: https://y2.dev/cve/CVE-2026-125087

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.