CVE-2022-40083

9.6 criticalEPSS 3.2%

Critical (9.6) in labstack echo. EPSS 3.2% chance of exploitation in the next 30 days. Fixed in github.com/labstack/echo/v4 4.9.0.

Labstack Echo v4.8.0 was discovered to contain an open redirect vulnerability via the Static Handler component. This vulnerability can be leveraged by attackers to cause a Server-Side Request Forgery (SSRF).

Severity

CVSS 3.1

9.6 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS: 3.2% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWE: CWE-601
Published: 2022-09-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

labstack:echo

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-crxj-hrmp-4rwf	Go	github.com/labstack/echo/v4	<4.9.0	4.9.0
GO-2022-1031	Go	github.com/labstack/echo/v4	<4.9.0	4.9.0

References

https://github.com/labstack/echo/issues/2259
https://github.com/labstack/echo/issues/2259

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