Provide references for CVE-2020-26290.
Where can I find more information about CVE-2020-26290?
References are available at: https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-directives.md, https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md, https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.md, https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/, https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5, https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7, https://github.com/dexidp/dex/commit/324b1c886b407594196113a3dbddebe38eecd4e8, https://github.com/dexidp/dex/releases/tag/v2.27.0.