Server-Side Request Forgery (SSRF) in Bitbucket Push and Pull Request - CVE-2026-92139
Published: September 21, 2026
Vulnerability identifier: #VU151517
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92139
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input in the webhook payload. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
Bitbucket Push and Pull Request
How to mitigate CVE-2026-92139
Install updates from vendor's website.
Bitbucket Push and Pull Request - update to 4.1.0