MediumVulnerabilityCVE-2026-118652updated 28 Oct 2026, 20:27 UTC
Echo vulnerable to Reflected Cross-Site Scripting (XSS) via unsanitized JSONP callback in Context.JSONP / Context.JSONPBlob
Fix availableOfficial, 2 sources
| Severity | MediumCVSS 6.1 of 10 |
|---|---|
| Being exploited? | UnclearNo reports either way yet |
| Fix available? | Yesgithub.com/labstack/echo/v5 5.4.0, github.com/labstack/echo/v4 4.16.0 · since 28 Oct 2026 |
| How sure is this? | Official, 2 sourcesBacked by an official source |
Are you affected?
| Package / product | Affected versions | Fixed in |
|---|---|---|
| github.com/labstack/echo/v5 · go | < 5.4.0 | 5.4.0 |
| github.com/labstack/echo/v4 · go | < 4.16.0 | 4.16.0 |
Timeline
- 28 Oct 2026, 19:54 UTCPublicly disclosed
- 28 Oct 2026, 19:54 UTCReported by GitHub Advisory · GitHub Advisory
- 28 Oct 2026, 19:54 UTCPicked up by Zero Radar
- 28 Oct 2026, 20:27 UTCNVD reported on it · NVD
Sources 2 reports, oldest first
Official vendor, government CERT or advisory database
- Echo vulnerable to Reflected Cross-Site Scripting (XSS) via unsanitized JSONP callback in Context.JSONP / Context.JSONPBlobGitHub Advisory · 28 Oct 2026, 19:54 UTC
- CVE-2026-118652NVD · 28 Oct 2026, 20:17 UTC
Technical details
- ID
- CVE-2026-118652 · GHSA-h9g5-28mm-hx3g
- CVSS
- 6.1 / 10
- Disclosed
- 28 Oct 2026, 19:54 UTC
- On Zero Radar
- 28 Oct 2026, 19:54 UTC (0 min after disclosure)
- Last change
- 28 Oct 2026, 20:27 UTC
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