CVE-2026-77255 MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the Jira updateissue attachments argument is converted into local paths and routed to the attachment upload implementation without workspace validation. A caller can make the MCP serv...

EUVD-2026-84746

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the Jira updateissue attachments argument is converted into local paths and routed to the attachment upload implementation without workspace validation. A caller can make the MCP serv...

CVE-2026-77262

The MCP Atlassian (sooperset/mcp-atlassian) server is vulnerable to a Path Traversal vulnerability in the confluence_upload_attachment tool prior to version 0.22.0 . The root cause is the lack of path validation on the file_path argument, which is passed directly to the open() function. This allo...

CVE-2026-77262 MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of CVE-2026-27825)

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, confluenceuploadattachment accepts an attacker-controlled filepath and does not apply the path restriction added for the earlier download vulnerability. A caller can traverse outside...

CVE-2026-77262 MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of CVE-2026-27825)

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, confluenceuploadattachment accepts an attacker-controlled filepath and does not apply the path restriction added for the earlier download vulnerability. A caller can traverse outside...

CVE-2026-77253 MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, Jira and Confluence attachment upload tools accept arbitrary local filesystem paths and send the selected bytes to Atlassian. In HTTP or multi-user deployments, a caller can cross the...

CVE-2026-77253 MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, Jira and Confluence attachment upload tools accept arbitrary local filesystem paths and send the selected bytes to Atlassian. In HTTP or multi-user deployments, a caller can cross the...

CVE-2026-77253 MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, Jira and Confluence attachment upload tools accept arbitrary local filesystem paths and send the selected bytes to Atlassian. In HTTP or multi-user deployments, a caller can cross the...

CVE-2026-77253

The MCP Atlassian Model Context Protocol server (versions prior to 0.22.0 ) contains a vulnerability where the Jira and Confluence attachment upload tools accept arbitrary local filesystem paths. An attacker can cross the client-to-server filesystem boundary to disclose sensitive data, such as co...

CVE-2026-77257

The MCP Atlassian Model Context Protocol server for Confluence and Jira is vulnerable to arbitrary file path traversal in its HTTP-exposed upload tools prior to version 0.22.0 . The root cause is that the server passes a caller-provided file_path to local file operations without restricting acces...

CVE-2026-77257 MCP Atlassian: HTTP upload tools accept arbitrary server-local file paths

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, HTTP-exposed Jira and Confluence upload tools pass a caller-provided filepath to local file operations without restricting it to the workspace. A remote MCP caller with tool access ca...

CVE-2026-77257 MCP Atlassian: HTTP upload tools accept arbitrary server-local file paths

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, HTTP-exposed Jira and Confluence upload tools pass a caller-provided filepath to local file operations without restricting it to the workspace. A remote MCP caller with tool access ca...

CVE-2026-77260

The MCP Atlassian Model Context Protocol server for Confluence and Jira is vulnerable to arbitrary local file read in versions prior to 0.22.0 . The vulnerability exists because the upload_attachment implementations accept an unconstrained file_path , allowing a permitted MCP caller to open and u...

CVE-2026-77270 MCP Atlassian: Arbitrary File Read via Upload Attachment Tools

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the Jira and Confluence attachment upload tools treat caller-controlled filepath values as trusted server-local paths. The server opens the selected file and uploads it to an Atlassia...

CVE-2026-77270 MCP Atlassian: Arbitrary File Read via Upload Attachment Tools

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the Jira and Confluence attachment upload tools treat caller-controlled filepath values as trusted server-local paths. The server opens the selected file and uploads it to an Atlassia...

CVE-2026-77270 MCP Atlassian: Arbitrary File Read via Upload Attachment Tools

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the Jira and Confluence attachment upload tools treat caller-controlled filepath values as trusted server-local paths. The server opens the selected file and uploads it to an Atlassia...

CVE-2026-77258 MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, uploadattachment in src/mcpatlassian/confluence/attachments.py accepts a caller-controlled filepath and opens the selected server-local file without restricting it to the workspace. A...

CVE-2026-77258 MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, uploadattachment in src/mcpatlassian/confluence/attachments.py accepts a caller-controlled filepath and opens the selected server-local file without restricting it to the workspace. A...

CVE-2026-77258 MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, uploadattachment in src/mcpatlassian/confluence/attachments.py accepts a caller-controlled filepath and opens the selected server-local file without restricting it to the workspace. A...

CVE-2026-76803

Nuclei is a vulnerability scanner built on a simple YAML-based DSL. From 3.0.0 until 3.10.0, the nuclei/mysql JavaScript library does not enforce the local-file sandbox when a JavaScript template supplies the allowAllFiles MySQL DSN option. An untrusted javascript: template scanning an...