Server-side request forgery (SSRF) in the server registration and update API in Amazon mcp-gateway-registry before 1.35.0 might allow an authenticated remote user to send requests from the gateway to internal network services and cloud instance metadata endpoints and read the responses via a crafted request.
To remediate this issue, users should upgrade to version 1.35.0.
{
"cna_assigner": "AMZN",
"cwe_ids": [
"CWE-918"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/125xxx/CVE-2026-125926.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "1.0.3"
},
{
"last_affected": "1.34.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"original_tag": "1.35.0",
"range": [
{
"fixed": "977bb924e3402b1078fa2e6581b5babead899a95"
}
],
"source": "REFERENCES_TAG"
}
]
}