MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions

SummaryWhen OAuth tokens are saved, MCP Atlassian always writes a plaintext fallback copy under /.mcp-atlassian/oauth-.json. The fallback file is created with the process default umask rather than restrictive permissions. In this environment the file was created as mode 0664, exposing access and...

PYSEC-2026-4094 MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions

Summary When OAuth tokens are saved, MCP Atlassian always writes a plaintext fallback copy under /.mcp-atlassian/oauth-.json. The fallback file is created with the process default umask rather than restrictive permissions. In this environment the file was created as mode 0664, exposing access and...

GHSA-G5XV-MHGM-V5F6 MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions

Summary When OAuth tokens are saved, MCP Atlassian always writes a plaintext fallback copy under /.mcp-atlassian/oauth-.json. The fallback file is created with the process default umask rather than restrictive permissions. In this environment the file was created as mode 0664, exposing access and...

MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions

Summary When OAuth tokens are saved, MCP Atlassian always writes a plaintext fallback copy under /.mcp-atlassian/oauth-.json. The fallback file is created with the process default umask rather than restrictive permissions. In this environment the file was created as mode 0664, exposing access and...

CVE-2026-77250 MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, OAuthConfig writes a plaintext fallback file containing access and refresh tokens under the user's .mcp-atlassian directory using process-default permissions. On systems with a...

Security update for gitea-tea (moderate)

openSUSE Security Update: Security update for gitea-tea Announcement ID: openSUSE-SU-2025:0453-1 Rating: moderate References: Affected Products: openSUSE Backports SLE-15-SP6 An update that contains security fixes can now be installed. Description: This update for gitea-tea fixes the following...

Linux Ubuntu - Other Users coredumps can be read via setgid Directory and killpriv Bypass Exploit

Exploit for linux platform in category dos / poc / Note: I am both sending this bug report to email protected and filing it in the Ubuntu bugtracker because I can't tell whether this counts as a kernel bug or as a Ubuntu bug. You may wish to talk to each other to determine the best place to fix...