CVE-2026-118261
CVE-2026-118261 · Echo: Decompress permits unbounded gzip expansion in v4
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Echo is a Go web framework. From 4.0.0 until 4.16.1, Echo v4's opt-in Decompress middleware exposes a gzip-decoded request stream without limiting its expanded size. A small compressed request can expand into a very large body when a handler reads or binds it, consuming excessive memory or CPU and allowing repeated or concurrent requests to cause denial of service. The middleware is not enabled by default, and limiting only the compressed request size does not bound the decoded size. This issue is fixed in 4.16.1.
CVSS 8.2 · High · EPSS 0.4%
- Published
- Updated
Stack: system
Affected products and versions
echo
- Versions
- >= 4.0.0, < 4.16.1: Affected
No fix published
golang-github-labstack-echo Debian:12
- Versions
- 4.11.1-1
- 4.11.1-2
- 4.12.0-1
- 4.2.1-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo Debian:13
- Versions
- 4.12.0-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo Debian:14
- Versions
- 4.12.0-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo.v2 Ubuntu:20.04:LTS
- Versions
- 2.2.0-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo.v3 Ubuntu:20.04:LTS
- Versions
- 3.3.5-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo Ubuntu:22.04:LTS
- Versions
- 4.2.1-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo.v2 Ubuntu:22.04:LTS
- Versions
- 2.2.0-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo.v3 Ubuntu:22.04:LTS
- Versions
- 3.3.10-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo Ubuntu:24.04:LTS
- Versions
- 4.11.1-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo Ubuntu:26.10
- Versions
- 4.12.0-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-labstack-echo Ubuntu:26.04:LTS
- Versions
- 4.12.0-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published