CVE-2019-15012

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-01-15 · updated 2026-06-17
Weakness: CWE-269

Description

Bitbucket Server and Bitbucket Data Center from version 4.13. before 5.16.11, from version 6.0.0 before 6.0.11, from version 6.1.0 before 6.1.9, from version 6.2.0 before 6.2.7, from version 6.3.0 before 6.3.6, from version 6.4.0 before 6.4.4, from version 6.5.0 before 6.5.3, from version 6.6.0 before 6.6.3, from version 6.7.0 before 6.7.3, from version 6.8.0 before 6.8.2, from version 6.9.0 before 6.9.1 had a Remote Code Execution vulnerability via the edit-file request. A remote attacker with write permission on a repository can write to any arbitrary file to the victims Bitbucket Server or Bitbucket Data Center instance using the edit-file endpoint, if the user has Bitbucket Server or Bitbucket Data Center running, and has the permission to write the file at that destination. In some cases, this can result in execution of arbitrary code by the victims Bitbucket Server or Bitbucket Data Center instance.

Affected products

Atlassian Bitbucket Server: from 4.13.0 before 5.6.11; from 6.0.0 before 6.0.11; from 6.1.0 before 6.1.9; from 6.2.0 before 6.2.7; from 6.3.0 before 6.3.6; from 6.4.0 before 6.4.4 — fixed in 5.6.11, 6.0.11, 6.1.9, 6.2.7, 6.3.6, 6.4.4

How to fix

Upgrade to a fixed version: Atlassian Bitbucket Server 5.6.11, 6.0.11, 6.1.9, 6.2.7. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2019-15012 or the next vulnerability affects your stack