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TI-2026-36183 Aliases CVE-2026-48924GHSA-r8fj-rff6-f7h5

Open redirect in Jenkins Bitbucket OAuth Plugin

Priority LOW 19CWE-601Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-601.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00208 10th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:bitbucket-oauth (Maven): 0.18

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Bitbucket OAuth Pluginup to 0.17—No fix listedCNA
—org.jenkins-ci.plugins:bitbucket-oauth (Maven)before 0.180.18Patch availableGHSA-r8fj-rff6-f7h5
  • Jenkins Bitbucket OAuth Plugin VendorJenkins Affected up to 0.17 Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins:bitbucket-oauth (Maven) Vendor— Affected before 0.18 Fixed in 0.18 Patch available GHSA-r8fj-rff6-f7h5

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:bitbucket_oauth:*:*:*:*:*:jenkins:*:*up to 0.17VulnerableJenkins
  • cpe:2.3:a:jenkins:bitbucket_oauth:*:*:*:*:*:jenkins:*:* Versions up to 0.17 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-r8fj-rff6-f7h5 org.jenkins-ci.plugins:bitbucket-oauth (Maven) Fixed in 0.18 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-48924
  2. 2026-10-03 Alias added: GHSA-r8fj-rff6-f7h5

References

Advisory 2

Other 1

  • TI-2023-10049 Jenkins Bitbucket OAuth Plugin 0.12 and earlier does not invalidate the previous session on login. CVSS 3.1CRITICAL 9.8
  • TI-2019-07769 Insufficiently protected credentials in Jenkins Bitbucket OAuth Plugin CVSS 3.1HIGH 7.8
  • TI-2023-10050 Cross-site request forgery in Jenkins Bitbucket OAuth Plugin CVSS 3.1MEDIUM 5.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences