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High 8.8
Improper handling of case sensitivity in Jenkins OpenId Connect Authentication Plugin
Jenkins OpenId Connect Authentication Plugin 4.452.v2849b_d3945fa_ and earlier, except 4.438.440.v3f5f201de5dc, treats usernames as case-insensitive, allowing attackers on Jenkins instances configured with a case-sensitive OpenID Connect provider to log in as…
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High 8.8
Session fixation vulnerability in Jenkins OpenId Connect Authentication Plugin
Jenkins OpenId Connect Authentication Plugin 4.418.vccc7061f5b_6d and earlier does not invalidate the previous session on login.
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High 8.1
Jenkins OpenId Connect Authentication Plugin lacks audience claim validation
Jenkins OpenId Connect Authentication Plugin 4.354.v321ce67a_1de8 and earlier does not check the `aud` (Audience) claim of an ID Token, allowing attackers to subvert the authentication flow, potentially gaining administrator access to Jenkins.
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High 8.1
Jenkins OpenId Connect Authentication Plugin lacks issuer claim validation
Jenkins OpenId Connect Authentication Plugin 4.354.v321ce67a_1de8 and earlier does not check the `iss` (Issuer) claim of an ID Token, allowing attackers to subvert the authentication flow, potentially gaining administrator access to Jenkins.
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High 8.8
Session fixation vulnerability in Jenkins OpenId Connect Authentication Plugin
Jenkins OpenId Connect Authentication Plugin 2.4 and earlier does not invalidate the previous session on login.