CVE-2026-48924
Jenkins Bitbucket OAuth Plugin does not restrict the redirect URL after login
Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.
- Record
CVE-2026-48924- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
EUVDEUVD-2026-32515
Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.
- Record
EUVD-2026-32515- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r8fj-rff6-f7h5
Jenkins Bitbucket OAuth Plugin does not restrict the redirect URL after login
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.
- Record
GHSA-r8fj-rff6-f7h5- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
NVD
Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.
- Record
CVE-2026-48924- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
OSV
Jenkins Bitbucket OAuth Plugin 0.17 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.
- Record
CVE-2026-48924- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-r8fj-rff6-f7h5
Jenkins Bitbucket OAuth Plugin does not restrict the redirect URL after login
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.
- Record
GHSA-r8fj-rff6-f7h5- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-601
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:bitbucket-oauthMaven |
through 0.17 | 0.18 |
org.jenkins-ci.plugins:bitbucket-oauthMaven |
before 0.18, plus listed versions 0.10.100.110.120.13 Show 12 moreShow less0.140.150.160.170.20.30.40.50.60.70.80.9 |
0.18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-48924 is a medium vulnerability (CVSS 4.3) in Jenkins Bitbucket Oauth, published May 27, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 10th percentile. Fixed in org.jenkins-ci.plugins:bitbucket-oauth 0.18.