CVE-2020-27846

CRITICAL9.8EPSS 7.5%

XML Processing error in github.com/crewjam/saml

Published: 6/23/2021Modified: 3/13/2026
Also known as:GHSA-4hq8-gmxx-h6w9BIT-grafana-2020-27846GO-2021-0058

Description

### Impact There are three vulnerabilities in the go `encoding/xml` package that can allow an attacker to forge part of a signed XML document. For details on this vulnerability see [xml-roundtrip-validator](https://github.com/mattermost/xml-roundtrip-validator) ### Patches In version 0.4.3, all XML input is validated prior to being parsed.

Affected packages (3)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1CRITICAL9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (16)