CVE-2026-92138 — MEDIUM (4.2)

Vulnerability Description

The OAuth authorization endpoint in Jenkins Bitbucket Server Integration Plugin 6.0.1 and earlier reads the `oauth_callback` URL from the submitted form rather than from the server-side stored request token, allowing attackers to hijack the OAuth flow and obtain an access token on behalf of the victim.

CVSS Score

4.2

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-345

References

https://www.jenkins.io/security/advisory/2026-09-16/#SECURITY-3778

FAQ

What is CVE-2026-92138?

CVE-2026-92138 is a vulnerability with a CVSS score of 4.2 (MEDIUM). The OAuth authorization endpoint in Jenkins Bitbucket Server Integration Plugin 6.0.1 and earlier reads the `oauth_callback` URL from the submitted form rather than from the server-side stored request...

How severe is CVE-2026-92138?

CVE-2026-92138 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-92138?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.