Path traversal in Atlassian Bitbucket Server
Priority LOW 27CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
The repository settings resource in Atlassian Bitbucket Server before version 5.6.0 allows remote attackers to read the first line of arbitrary files via a path traversal vulnerability through the default branch name.
Why it matters now
EPSS 0.01446 73rd percentileScored 2026-11-07
Fix Fixed Bitbucket Server (Atlassian): 5.6.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Bitbucket Server (Atlassian) Fixed in 5.6.0
Timeline
- 2026-10-02 Threatist record created from CVE-2017-18038
- 2026-10-03 Alias added: GHSA-w5r2-hxmg-8w48
References
More Atlassian Bitbucket vulnerabilities
- TI-2022-17043 OS command injection in Atlassian Bitbucket Server KEVCVSS 3.1HIGH 8.8
- TI-2022-21515 Command injection in Atlassian Bitbucket Data Center CVSS 3.1CRITICAL 9.8
- TI-2022-09598 Improper authentication in Atlassian Bamboo Server CVSS 3.1CRITICAL 9.8
- TI-2019-11186 OS command injection in Atlassian Bitbucket Server CVSS 3.1CRITICAL 9.8
- TI-2018-03782 Link following in Atlassian Bitbucket Server CVSS 3.0CRITICAL 9.9
- TI-2019-02555 Path traversal in Atlassian Bitbucket Data Center CVSS 3.0CRITICAL 9.1
Sources
- CVE-2017-18038 · CVE Program
- CVE-2017-18038 · NVD
- FIRST EPSS
- GHSA-w5r2-hxmg-8w48 · GitHub Advisory Database · CC BY 4.0
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