CVE-2019-15000

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-09-19 · updated 2026-06-17
Weakness: CWE-78

Description

The commit diff rest endpoint in Bitbucket Server and Data Center before 5.16.10 (the fixed version for 5.16.x ), from 6.0.0 before 6.0.10 (the fixed version for 6.0.x), from 6.1.0 before 6.1.8 (the fixed version for 6.1.x), from 6.2.0 before 6.2.6 (the fixed version for 6.2.x), from 6.3.0 before 6.3.5 (the fixed version for 6.3.x), from 6.4.0 before 6.4.3 (the fixed version for 6.4.x), and from 6.5.0 before 6.5.2 (the fixed version for 6.5.x) allows remote attackers who have permission to access a repository, if public access is enabled for a project or repository then attackers are able to exploit this issue anonymously, to read the contents of arbitrary files on the system and execute commands via injecting additional arguments into git commands.

Affected products

Atlassian Bitbucket Server: from 5.16.0 before 5.16.10; from 6.0.0 before 6.0.10; from 6.1.0 before 6.1.8; from 6.2.0 before 6.2.6; from 6.3.0 before 6.3.5; from 6.4.0 before 6.4.3 — fixed in 5.16.10, 6.0.10, 6.1.8, 6.2.6, 6.3.5, 6.4.3

How to fix

Upgrade to a fixed version: Atlassian Bitbucket Server 5.16.10, 6.0.10, 6.1.8, 6.2.6. Check the vendor advisory for mitigations.

References

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