Ech0 before 4.7.3 Server-Side Request Forgery via fetchPeerConnectInfo
Ech0 before 4.7.3 contains a server-side request forgery vulnerability in the fetchPeerConnectInfo function that uses unvalidated HTTP requests instead of safe request methods with URL validation. Authenticated attackers can supply arbitrary URLs to access internal services and cloud metadata endpoints by triggering connection health checks or peer connection operations.
CVE-2026-79659
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-79659
Ech0
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "lin-snow",
"product": "Ech0",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "4.7.3",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.7.3",
"versionType": "semver"
}
],
"packageURL": "pkg:golang/github.com/lin-snow/ech0",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-79659
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #12894 · Revision 1
- Added to Heist Feed
- Publisher date