Jenkins Bitbucket OAuth vulnerabilities

4 CVEs affecting Jenkins Bitbucket OAuth, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-48924, published 2026-05-27.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2023-24427, published 2023-01-26. Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days. Jenkins Bitbucket OAuth Plugin 0.12 and earlier does not invalidate the previous session on login.
• CVE-2023-24428, published 2023-01-26. Medium severity, CVSS 5.7. EPSS: 0.5% chance of exploitation in the next 30 days. A cross-site request forgery (CSRF) vulnerability in Jenkins Bitbucket OAuth Plugin 0.12 and earlier allows attackers to trick users into logging in to the attacker's account.
• CVE-2019-10460, published 2019-10-23. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. Jenkins Bitbucket OAuth Plugin 0.9 and earlier stored credentials unencrypted in the global config.xml configuration file on the Jenkins master where they could be viewed by users with access to the…
• CVE-2026-48924, published 2026-05-27. Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days. Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.