MC
Product
mcp-atlassian
34
CVEs
0
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 2High 18Medium 14Low 0
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| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-77271 | 8.8 | Sep 22 | MCP Atlassian: Incomplete path traversal fix allows intra-CWD module overwrite and RCE (bypass of CVE-2026-27825) Affected: < 0.22.0 |
| CVE-2026-77243 | 8.8 | Sep 22 | MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass Affected: < 0.22.0 |
| CVE-2026-77246 | 8.6 | Sep 22 | MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path Affected: < 0.22.0 |
| CVE-2026-77248 | 8.6 | Sep 22 | MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport Affected: < 0.22.0 |
| CVE-2026-77255 | 8.6 | Sep 22 | MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue Affected: < 0.22.0 |
| CVE-2026-77262 | 8.6 | Sep 22 | MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of CVE-2026-27825) Affected: < 0.22.0 |
| CVE-2026-77261 | 8.5 | Sep 22 | MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches Affected: < 0.22.0 |
| CVE-2026-77274 | 8.2 | Sep 22 | MCP Atlassian: SSRF Protection Bypass Affected: < 0.22.0 |
| CVE-2026-27826 | 8.2 | Mar 10 | MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers Affected: < 0.17.0 |
| CVE-2026-27825 | 8.0 | Mar 10 | MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment Affected: < 0.17.0 |
| CVE-2026-77259 | 7.7 | Sep 22 | MCP Atlassian: Arbitrary file read via confluence_upload_attachment allows exfiltration of server credentials Affected: < 0.22.0 |
| CVE-2026-77258 | 7.7 | Sep 22 | MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path() Affected: < 0.22.0 |
| CVE-2026-73496 | 7.7 | Sep 14 | MCP Atlassian: Arbitrary server-side file read via attachment upload Affected: < 0.22.0 |
| CVE-2026-73498 | 7.7 | Aug 12 | MCP Atlassian is a Model Context Protocol (MCP): Arbitrary file read via missing path validation in confluence_upload_attachment Affected: < 0.22.0 |
| CVE-2026-77260 | 7.5 | Sep 22 | MCP Atlassian: Arbitrary local file READ via unconstrained file_path in upload_attachment (Confluence + Jira) Affected: < 0.22.0 |
| CVE-2026-77242 | 7.5 | Sep 22 | MCP Atlassian: Incomplete fix for CVE-2026-27826: DNS rebinding bypasses SSRF validation (validated IP not pinned) Affected: < 0.22.0 |
| CVE-2026-77265 | 7.5 | Sep 22 | MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow Affected: < 0.22.0 |
| CVE-2026-77253 | 7.1 | Sep 22 | MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files Affected: < 0.22.0 |
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