MC
Product
mcp-atlassian
by sooperset · last CVE Sep 22, 2026
34
CVEs
0
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 2High 18Medium 14Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-77271
8.8
1%
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
1%
Sep 22
MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass
Affected: < 0.22.0
CVE-2026-77246
8.6
0%
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
0%
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
0%
Sep 22
MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue
Affected: < 0.22.0
CVE-2026-77262
8.6
1%
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
0%
Sep 22
MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches
Affected: < 0.22.0
CVE-2026-77274
8.2
0%
Sep 22
MCP Atlassian: SSRF Protection Bypass
Affected: < 0.22.0
CVE-2026-27826
8.2
13%
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
11%
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
0%
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
0%
Sep 22
MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()
Affected: < 0.22.0
CVE-2026-73496
7.7
0%
Sep 14
MCP Atlassian: Arbitrary server-side file read via attachment upload
Affected: < 0.22.0
CVE-2026-73498
7.7
0%
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
0%
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
0%
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
0%
Sep 22
MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow
Affected: < 0.22.0
CVE-2026-77253
7.1
0%
Sep 22
MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files
Affected: < 0.22.0
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