Insufficient verification of data authenticity in Bitbucket Server Integration - CVE-2026-92138
Published: September 21, 2026
Vulnerability identifier: #VU151516
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92138
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the affected plugin reads the "oauth_callback" URL from the submitted form rather than from the server-side stored request token. A remote attacker can hijack the OAuth flow and obtain an access token on behalf of the victim.
Affected software
Bitbucket Server Integration
How to mitigate CVE-2026-92138
Install updates from vendor's website.
Bitbucket Server Integration - update to 6.0.2