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Jenkins Bitbucket OAuth Plugin CVE-2026-48924

| EUVD-2026-32515 MEDIUM
URL Redirection to Untrusted Site (Open Redirect) (CWE-601)
2026-05-27 jenkinsci-cert@googlegroups.com GHSA-r8fj-rff6-f7h5
4.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
May 27, 2026 - 21:12 vuln.today

DescriptionNVD

Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.

AnalysisAI

Open redirect vulnerability in Jenkins Bitbucket OAuth Plugin 0.17 and earlier enables unauthenticated network attackers to craft login URLs that redirect authenticated victims to arbitrary, attacker-controlled destinations, facilitating phishing campaigns targeting Jenkins users. The plugin fails to validate or restrict the post-login redirect URL parameter, classified under CWE-601. …

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CVE-2026-48924 vulnerability details – vuln.today

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