MC
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Mcp-atlassian
30
CVEs
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Recent CVEs
| CVE | Product | CVSS | Published | Summary |
|---|---|---|---|---|
| CVE-2026-77246 | MA Mcp Atlassian Mcp-atlassian | 8.6 | Sep 22 | MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path |
| CVE-2026-77248 | MA Mcp Atlassian Mcp-atlassian | 8.6 | Sep 22 | MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport |
| CVE-2026-77256 | MA Mcp Atlassian Mcp-atlassian | 6.5 | Sep 22 | MCP Atlassian: OAuth refresh-token backup file is world-readable under default Unix umask |
| CVE-2026-77249 | MA Mcp Atlassian Mcp-atlassian | 5.3 | Sep 22 | MCP Atlassian: Incomplete fix for CVE-2026-27826: redirect-based SSRF via unhooked requests session in Jira user-permission lookup |
| CVE-2026-77259 | MA Mcp Atlassian Mcp-atlassian | 7.7 | Sep 22 | MCP Atlassian: Arbitrary file read via confluence_upload_attachment allows exfiltration of server credentials |
| CVE-2026-77268 | MA Mcp Atlassian Mcp-atlassian | 5.5 | Sep 22 | MCP Atlassian: Insecure File Permissions on OAuth Token Storage |
| CVE-2026-77247 | MA Mcp Atlassian Mcp-atlassian | 6.5 | Sep 22 | MCP Atlassian: Arbitrary server-local file upload to Jira/Confluence attachments via unrestricted file_path parameters |
| CVE-2026-77272 | MA Mcp Atlassian Mcp-atlassian | 6.1 | Sep 22 | MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler |
| CVE-2026-77269 | MA Mcp Atlassian Mcp-atlassian | 6.5 | Sep 22 | MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read (incomplete fix for CVE-2026-27825) |
| CVE-2026-77266 | MA Mcp Atlassian Mcp-atlassian | 6.5 | Sep 22 | MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read and exfiltration via MCP tool call |
| CVE-2026-77255 | MA Mcp Atlassian Mcp-atlassian | 8.6 | Sep 22 | MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue |
| CVE-2026-77262 | MA Mcp Atlassian Mcp-atlassian | 8.6 | Sep 22 | MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of CVE-2026-27825) |
| CVE-2026-77254 | MA Mcp Atlassian Mcp-atlassian | 9.1 | Sep 22 | MCP Atlassian: Unauthenticated HTTP MCP requests can use globally configured Jira and Confluence credentials |
| CVE-2026-77253 | MA Mcp Atlassian Mcp-atlassian | 7.1 | Sep 22 | MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files |
| CVE-2026-77257 | MA Mcp Atlassian Mcp-atlassian | 6.5 | Sep 22 | MCP Atlassian: HTTP upload tools accept arbitrary server-local file paths |
| CVE-2026-77261 | MA Mcp Atlassian Mcp-atlassian | 8.5 | Sep 22 | MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches |
| CVE-2026-77260 | MA Mcp Atlassian Mcp-atlassian | 7.5 | Sep 22 | MCP Atlassian: Arbitrary local file READ via unconstrained file_path in upload_attachment (Confluence + Jira) |
| CVE-2026-77271 | MA Mcp Atlassian Mcp-atlassian | 8.8 | Sep 22 | MCP Atlassian: Incomplete path traversal fix allows intra-CWD module overwrite and RCE (bypass of CVE-2026-27825) |
| CVE-2026-77242 | MA Mcp Atlassian Mcp-atlassian | 7.5 | Sep 22 | MCP Atlassian: Incomplete fix for CVE-2026-27826: DNS rebinding bypasses SSRF validation (validated IP not pinned) |
| CVE-2026-77243 | MA Mcp Atlassian Mcp-atlassian | 8.8 | Sep 22 | MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass |
| CVE-2026-77251 | MA Mcp Atlassian Mcp-atlassian | 6.5 | Sep 22 | MCP Atlassian: JIRA_PROJECTS_FILTER / CONFLUENCE_SPACES_FILTER allow forbidden-project content exfiltration (one LIVE-proven on Atlassian Cloud) |
| CVE-2026-77252 | MA Mcp Atlassian Mcp-atlassian | 6.5 | Sep 22 | MCP Atlassian: JIRA_PROJECTS_FILTER and CONFLUENCE_SPACES_FILTER can be bypassed in search tools |
| CVE-2026-77267 | MA Mcp Atlassian Mcp-atlassian | 6.5 | Sep 22 | mcp-atlassian has an incomplete SSRF remediation |
| CVE-2026-77250 | MA Mcp Atlassian Mcp-atlassian | 6.1 | Sep 22 | MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions |
| CVE-2026-77244 | MA Mcp Atlassian Mcp-atlassian | 10.0 | Sep 22 | [mcp-atlassian] Authentication bypass in HTTP transport: AtlassianOpaqueTokenVerifier accepts any non-empty token |
| CVE-2026-77265 | MA Mcp Atlassian Mcp-atlassian | 7.5 | Sep 22 | MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow |
| CVE-2026-77270 | MA Mcp Atlassian Mcp-atlassian | 6.5 | Sep 22 | MCP Atlassian: Arbitrary File Read via Upload Attachment Tools |
| CVE-2026-77258 | MA Mcp Atlassian Mcp-atlassian | 7.7 | Sep 22 | MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path() |
| CVE-2026-77274 | MA Mcp Atlassian Mcp-atlassian | 8.2 | Sep 22 | MCP Atlassian: SSRF Protection Bypass |
| CVE-2026-27825 | MA Mcp Atlassian Mcp-atlassian | 8.0 | Mar 10 | MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment |