GHSA-89xv-2j6f-qhc8Published

MCP Go SDK Allows Cross-Site Tool Execution for HTTP Servers without Authorizatrion

cve-program · CVE-2026-33252

Published

go-sdk

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "modelcontextprotocol",
                    "product": "go-sdk",
                    "versions": [
                        {
                            "version": "< 1.4.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-14643

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Mar 23, 2026, 11:44:16 PM

dateUpdated: Mar 24, 2026, 6:39:50 PM

1 related source bulletins · separate from aliases

RHSA-2026:21772: Red Hat Security Advisory: Red Hat OpenShift Dev Spaces 3.28.0 Release.

CVE-2025-14813 · CVE-2025-68121 · CVE-2026-0636 · CVE-2026-1525 · CVE-2026-1526 · CVE-2026-1528 · CVE-2026-1605 · CVE-2026-2229 · CVE-2026-2327 · CVE-2026-5588 · CVE-2026-26996 · CVE-2026-27904 · CVE-2026-29074 · CVE-2026-30827 · CVE-2026-31802 · CVE-2026-32141 · CVE-2026-32280 · CVE-2026-32282 · CVE-2026-32305 · CVE-2026-33252 · CVE-2026-33810 · CVE-2026-34742 · CVE-2026-35051 · CVE-2026-39858 · CVE-2026-40477 · CVE-2026-40478 · CVE-2026-40611 · CVE-2026-40895 · CVE-2026-40912 · CVE-2026-40972 · CVE-2026-40973 · CVE-2026-40975 · CVE-2026-41240 · CVE-2026-42033 · CVE-2026-42035 · CVE-2026-42039 · CVE-2026-42041 · CVE-2026-42043 · CVE-2026-42044

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-33252

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-352

Original publisher date fields

published: 2026-03-24T00:16:30.017

lastModified: 2026-06-17T10:37:11.830

1 source CPE criteria · context only

cpe:2.3:a:lfprojects:mcp_go_sdk:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-89xv-2j6f-qhc8

Published

github.com/modelcontextprotocol/go-sdk

SEMVER · introduced 0 → fixed 1.4.1

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2026-4773

Published

github.com/modelcontextprotocol/go-sdk

SEMVER · introduced 0 → fixed 1.4.1

Original source record · Cite this exact observation · Complete original publisher JSON