botframework-connector is vulnerable to authentication bypass. The vulnerability exists as Skill claims found in the jwt token is not validated against the SkillValidation.isSkillClaim
method.
github.com/advisories/GHSA-fvcj-hvfw-7f2v
github.com/microsoft/botbuilder-js/commit/37c938ce08b209c8943460de7fcd78a86351c0d4
github.com/microsoft/botbuilder-python/commit/7c4dedec6a11b23ee15617e15e0af9f0961cf46b
github.com/microsoft/botbuilder-python/security/advisories/GHSA-cqff-fx2x-p86v
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1725