Critical
CVE-2026-77244
Vulnerability archive
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Vulnerability archive 30
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High
CVE-2026-77271
MCP Atlassian: Incomplete path traversal fix allows intra-CWD module overwrite and RCE (bypass of GHSA-xjgw-4wvw-rgm4)
Medium
CVE-2026-77250
MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions
High
CVE-2026-77258
MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()
High
CVE-2026-77267
mcp-atlassian has an incomplete SSRF remediation
High
CVE-2026-77247
MCP Atlassian: Arbitrary server-local file upload to Jira/Confluence attachments via unrestricted file_path parameters
High
CVE-2026-77274
MCP Atlassian: SSRF Protection Bypass
Medium
CVE-2026-77249
MCP Atlassian: Incomplete fix for GHSA-7r34-79r5-rcc9: redirect-based SSRF via unhooked requests session in Jira user-permission lookup
Medium
CVE-2026-77266
MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read and exfiltration via MCP tool call
High
CVE-2026-77259
MCP Atlassian: Arbitrary file read via confluence_upload_attachment allows exfiltration of server credentials
High
CVE-2026-77261
MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches
High
CVE-2026-77243
MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass
High
CVE-2026-77260
MCP Atlassian: Arbitrary local file READ via unconstrained file_path in upload_attachment (Confluence + Jira)
High
CVE-2026-77257
MCP Atlassian: HTTP upload tools accept arbitrary server-local file paths
High
CVE-2026-77262
MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of GHSA-xjgw-4wvw-rgm4)
Medium
CVE-2026-77270
MCP Atlassian: Arbitrary File Read via Upload Attachment Tools
High
CVE-2026-77251
MCP Atlassian: JIRA_PROJECTS_FILTER / CONFLUENCE_SPACES_FILTER allow forbidden-project content exfiltration (one LIVE-proven on Atlassian Cloud)
Medium
CVE-2026-77269
MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read (incomplete fix for CVE-2026-27825)
Medium
CVE-2026-77272
MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler
Medium
CVE-2026-77268
MCP Atlassian: Insecure File Permissions on OAuth Token Storage
High
CVE-2026-77253
MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files
High
CVE-2026-77255
MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue
Medium
CVE-2026-77265
MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow
High
CVE-2026-77248
MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport
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