Improper Output Neutralization for Logs Affecting std/net/textproto package, versions <1.25.11>=1.26.0-0 <1.26.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Improper Output Neutralization for Logs vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-GOLANG-STDNETTEXTPROTO-17135843
- published3 Jun 2026
- disclosed2 Jun 2026
- creditUnknown
Introduced: 2 Jun 2026
CVE-2026-42507 (opens in a new tab)How to fix?
Upgrade std/net/textproto to version 1.25.11, 1.26.4 or higher.
Overview
std/net/textproto is a Go standard library package std/net/textproto
Affected versions of this package are vulnerable to Improper Output Neutralization for Logs.
Go Vulnerability Report:
When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.