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BIT-grafana-2020-27846

Affected: Bitnami: grafana

A signature verification vulnerability exists in crewjam/saml. This flaw allows an attacker to bypass SAML Authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

EUVD-2026-46711

fkie_cve-2020-27846

GHSA-4hq8-gmxx-h6w9 — XML Processing error in github.com/crewjam/saml

Affected: Go: github.com/crewjam/saml

### 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.

gsd-2020-27846

OESA-2021-1445 — grafana security update

Affected: openEuler:20.03-LTS-SP1: grafana, openEuler:20.03-LTS-SP2: grafana

Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB. Security Fix(es): Grafana before 7.1.0-beta 1 allows XSS via a query alias for the ElasticSearch datasource.(CVE-2020-24303) A signature verification vulnerability exists in crewjam/saml. This flaw allows an attacker to bypass SAML Authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.(CVE-2020-27846) The snapshot feature in Grafana 6.7.3 through 7.4.1 can allow an unauthenticated remote attackers to trigger a Denial of Service via a remote API call if a commonly used configuration is set.(CVE-2021-27358) One of the usage insights HTTP API endpoints in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 is accessible without any authentication. This allows any unauthenticated user to send an unlimited number of requests to the endpoint, leading to a denial of service (DoS) attack against a Grafana Enterprise instance.(CVE-2021-28148) The team sync HTTP API in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 has an Incorrect Access Control issue. On Grafana instances using an external authentication service and having the EditorsCanAdmin feature enabled, this vulnerability allows any authenticated user to add external groups to any existing team. This can be used to grant a user team permissions that the user isn't s…

RHSA-2021:1859 — Red Hat Security Advisory: grafana security, bug fix, and enhancement update

grafana: XSS via a query alias for the Elasticsearch and Testdata datasource crewjam/saml: authentication bypass in saml authentication