Mcp-atlassian vulnerabilities

Products

• Mcp Atlassian 30

Newest

• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path CVE-2026-77246 Fix available 7.4 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport CVE-2026-77248 Fix available 8.6 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: OAuth refresh-token backup file is world-readable under default Unix umask CVE-2026-77256 8.3 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Incomplete fix for CVE-2026-27826: redirect-based SSRF via unhooked requests session in Jira user-permission lookup CVE-2026-77249 Fix available 5.3 MediumSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Arbitrary file read via confluence_upload_attachment allows exfiltration of server credentials CVE-2026-77259 Fix available 7.7 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Insecure File Permissions on OAuth Token Storage CVE-2026-77268 Fix available 5.5 MediumSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Arbitrary server-local file upload to Jira/Confluence attachments via unrestricted file_path parameters CVE-2026-77247 Fix available 8.3 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler CVE-2026-77272 Fix available 5.4 MediumSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read (incomplete fix for CVE-2026-27825) CVE-2026-77269 Fix available 6.5 MediumSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read and exfiltration via MCP tool call CVE-2026-77266 Fix available 6.5 MediumSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue CVE-2026-77255 Fix available 8.6 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of CVE-2026-27825) CVE-2026-77262 Public exploitFix available 8.6 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Unauthenticated HTTP MCP requests can use globally configured Jira and Confluence credentials CVE-2026-77254 9.1 CriticalSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files CVE-2026-77253 Fix available 7.1 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: HTTP upload tools accept arbitrary server-local file paths CVE-2026-77257 Fix available 8.3 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches CVE-2026-77261 Fix available 7.1 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Arbitrary local file READ via unconstrained file_path in upload_attachment (Confluence + Jira) CVE-2026-77260 Fix available 8.3 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Incomplete path traversal fix allows intra-CWD module overwrite and RCE (bypass of CVE-2026-27825) CVE-2026-77271 Fix available 8.3 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Incomplete fix for CVE-2026-27826: DNS rebinding bypasses SSRF validation (validated IP not pinned) CVE-2026-77242 7.5 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass CVE-2026-77243 Fix available 8.8 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: JIRA_PROJECTS_FILTER / CONFLUENCE_SPACES_FILTER allow forbidden-project content exfiltration (one LIVE-proven on Atlassian Cloud) CVE-2026-77251 Fix available 8.3 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: JIRA_PROJECTS_FILTER and CONFLUENCE_SPACES_FILTER can be bypassed in search tools CVE-2026-77252 6.5 MediumSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more mcp-atlassian has an incomplete SSRF remediation CVE-2026-77267 Fix available 8.3 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions CVE-2026-77250 Fix available 6.1 MediumSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more [mcp-atlassian] Authentication bypass in HTTP transport: AtlassianOpaqueTokenVerifier accepts any non-empty token CVE-2026-77244 Fix available 10.0 CriticalSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow CVE-2026-77265 Fix available 5.9 MediumSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Arbitrary File Read via Upload Attachment Tools CVE-2026-77270 Fix available 6.5 MediumSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path() CVE-2026-77258 Fix available 7.7 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian: SSRF Protection Bypass CVE-2026-77274 Fix available 8.8 HighSeptember 22, 2026
• mcp-atlassian mcp atlassian, sooperset mcp-atlassian +1 more MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment CVE-2026-27825 Public exploitFix available EPSS 12.3% 9.1 CriticalMarch 10, 2026