CVE-2026-48924
Jenkins Bitbucket OAuth Plugin does not restrict the redirect URL after login
4.3
MEDIUM
CVSS 3.1
EPSS 0.22%
Description
Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login. This allows attackers to perform phishing attacks by having users go to a Jenkins URL that will forward them to a different site after successful authentication. Bitbucket OAuth Plugin 0.18 only redirects to relative (Jenkins) URLs.
How to fix CVE-2026-48924
To remediate CVE-2026-48924, upgrade the affected package to a fixed version below.
- —upgrade to 0.18 or later
Is CVE-2026-48924 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.18
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |