Bug 2570768 (CVE-2026-124503)

Summary: CVE-2026-124503 mcp-atlassian: mcp-atlassian: Arbitrary file read via path traversal
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerability-draftAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in mcp-atlassian. Due to improper input validation in the validate_safe_path function, a remote attacker can perform a path traversal attack by submitting a manipulated file path. This vulnerability allows the attacker to access files outside the restricted directory, leading to unauthorized information disclosure.
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Description OSIDB Bzimport 2026-11-10 20:20:55 UTC 
A vulnerability was identified in sooperset mcp-atlassian up to 0.24.0. This issue affects the function validate_safe_path of the file src/mcp_atlassian/utils/io.py. The manipulation of the argument path leads to path traversal. The attack may be initiated remotely. The exploit is publicly available and might be used. Upgrading to version 0.24.1 is capable of addressing this issue. Upgrading the affected component is recommended. This CVE was requested by the vendor.