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CVE-2026-40890

Updated on 21 Apr 2026

Severity

7.5 High severity

Details

CVSS score
7.5
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a < character that is not followed by a > character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with commit 759bbc3e32073c3bc4e25969c132fc520eda2778.

Details

Affected product:
Grafana , gomarkdown/markdown , influxdata/influxdb-client-go , oapi-codegen/runtime
Affected packages:
github.com/gomarkdown/markdown @ 0.0.0-20230922112808-5421fefb8386 (+6 more)