Arbitrary Code Injection Affecting golang-1.19 package, versions *


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.04% (60th percentile)

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  • Snyk IDSNYK-ECHOLATEST-GOLANG119-18766802
  • published14 Aug 2026
  • disclosed11 May 2023

Introduced: 11 May 2023

CVE-2023-29400  (opens in a new tab)
CWE-74  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest golang-1.19.

NVD Description

Note: Versions mentioned in the description apply only to the upstream golang-1.19 package and not the golang-1.19 package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Templates containing actions in unquoted HTML attributes (e.g. "attr={{.}}") executed with empty input can result in output with unexpected results when parsed due to HTML normalization rules. This may allow injection of arbitrary attributes into tags.

CVSS Base Scores

version 3.1