How many CVEs have patched _call_tool_mcp?

32 published CVEs changed _call_tool_mcp in sooperset/mcp-atlassian, in 1 distinct patches totalling 480 changed lines, between 2026 and 2026.

What is the latest CVE that changed _call_tool_mcp?

CVE-2026-77246 (MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path), published 2026-09-22, changed lines 343 to 357 of src/mcp_atlassian/servers/main.py.

How does _call_tool_mcp compare to the rest of sooperset/mcp-atlassian?

sooperset/mcp-atlassian has 34 CVEs with a located fix in total; 32 of them changed _call_tool_mcp.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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_call_tool_mcp

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Patched Functions
Sooperset
Mcp Atlassian
_call_tool_mcp

_call_tool_mcp in sooperset/mcp-atlassian: Patched by 32 CVEs

sooperset/mcp-atlassian

Function

_call_tool_mcp

Name: _call_tool_mcp in sooperset/mcp-atlassian: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

src/mcp_atlassian/servers/main.py

Last patched September 22, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

480

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

_call_tool_mcp in sooperset/mcp-atlassian was changed by 32 published CVE fixes in 2026, in 1 distinct patches that added or removed 480 lines in total.

sooperset/mcp-atlassian has 34 CVEs with a located fix in total, so 94% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed _call_tool_mcp, newest first, with the lines each fix touched.

MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path
CVE-2026-77246 · lines 343–357 · +15 −0
High · CVSS 8.6
EPSS 0.4%2026-09-22
MCP Atlassian: Unauthenticated arbitrary local file read via upload_attachment file_path, chained with missing auth on streamable-http transport
CVE-2026-77248 · lines 343–357 · +15 −0
High · CVSS 8.6
EPSS 0.4%2026-09-22
MCP Atlassian: OAuth refresh-token backup file is world-readable under default Unix umask
CVE-2026-77256 · lines 343–357 · +15 −0
High · CVSS 8.3
EPSS 0.3%2026-09-22
MCP Atlassian: Incomplete fix for CVE-2026-27826: redirect-based SSRF via unhooked requests session in Jira user-permission lookup
CVE-2026-77249 · lines 343–357 · +15 −0
Medium · CVSS 5.3
EPSS 0.3%2026-09-22
MCP Atlassian: Arbitrary file read via confluence_upload_attachment allows exfiltration of server credentials
CVE-2026-77259 · lines 343–357 · +15 −0
High · CVSS 7.7
EPSS 0.4%2026-09-22
MCP Atlassian: Insecure File Permissions on OAuth Token Storage
CVE-2026-77268 · lines 343–357 · +15 −0
Medium · CVSS 5.5
EPSS 0.1%2026-09-22
MCP Atlassian: Arbitrary server-local file upload to Jira/Confluence attachments via unrestricted file_path parameters
CVE-2026-77247 · lines 343–357 · +15 −0
High · CVSS 8.3
EPSS 0.4%2026-09-22
MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler
CVE-2026-77272 · lines 343–357 · +15 −0
Medium · CVSS 6.1
EPSS 0.2%2026-09-22
MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read (incomplete fix for CVE-2026-27825)
CVE-2026-77269 · lines 343–357 · +15 −0
Medium · CVSS 6.5
EPSS 0.4%2026-09-22
MCP Atlassian: Path traversal in upload_attachment allows arbitrary file read and exfiltration via MCP tool call
CVE-2026-77266 · lines 343–357 · +15 −0
Medium · CVSS 6.5
EPSS 0.4%2026-09-22
MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue
CVE-2026-77255 · lines 343–357 · +15 −0
High · CVSS 8.6
EPSS 0.4%2026-09-22
MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of CVE-2026-27825)
CVE-2026-77262 · lines 343–357 · +15 −0
High · CVSS 8.6
EPSS 0.5%2026-09-22
MCP Atlassian: Unauthenticated HTTP MCP requests can use globally configured Jira and Confluence credentials
CVE-2026-77254 · lines 343–357 · +15 −0
Critical · CVSS 9.1
EPSS 0.6%2026-09-22
MCP Atlassian: Jira and Confluence attachment upload tools can read arbitrary server-local files
CVE-2026-77253 · lines 343–357 · +15 −0
High · CVSS 7.1
EPSS 0.4%2026-09-22
MCP Atlassian: HTTP upload tools accept arbitrary server-local file paths
CVE-2026-77257 · lines 343–357 · +15 −0
High · CVSS 8.3
EPSS 0.4%2026-09-22
MCP Atlassian: SSRF redirect protection missing for basic-auth and OAuth authentication branches
CVE-2026-77261 · lines 343–357 · +15 −0
High · CVSS 8.5
EPSS 0.3%2026-09-22
MCP Atlassian: Arbitrary local file READ via unconstrained file_path in upload_attachment (Confluence + Jira)
CVE-2026-77260 · lines 343–357 · +15 −0
High · CVSS 8.3
EPSS 0.3%2026-09-22
MCP Atlassian: Incomplete path traversal fix allows intra-CWD module overwrite and RCE (bypass of CVE-2026-27825)
CVE-2026-77271 · lines 343–357 · +15 −0
High · CVSS 8.3
EPSS 0.5%2026-09-22
MCP Atlassian: Incomplete fix for CVE-2026-27826: DNS rebinding bypasses SSRF validation (validated IP not pinned)
CVE-2026-77242 · lines 343–357 · +15 −0
High · CVSS 7.5
EPSS 0.3%2026-09-22
MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass
CVE-2026-77243 · lines 343–357 · +15 −0
High · CVSS 8.8
EPSS 0.3%2026-09-22
MCP Atlassian: JIRA_PROJECTS_FILTER / CONFLUENCE_SPACES_FILTER allow forbidden-project content exfiltration (one LIVE-proven on Atlassian Cloud)
CVE-2026-77251 · lines 343–357 · +15 −0
High · CVSS 8.3
EPSS 0.2%2026-09-22
MCP Atlassian: JIRA_PROJECTS_FILTER and CONFLUENCE_SPACES_FILTER can be bypassed in search tools
CVE-2026-77252 · lines 343–357 · +15 −0
Medium · CVSS 6.5
EPSS 0.3%2026-09-22
mcp-atlassian has an incomplete SSRF remediation
CVE-2026-77267 · lines 343–357 · +15 −0
High · CVSS 8.3
EPSS 0.3%2026-09-22
MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions
CVE-2026-77250 · lines 343–357 · +15 −0
Medium · CVSS 6.1
EPSS 0.1%2026-09-22
[mcp-atlassian] Authentication bypass in HTTP transport: AtlassianOpaqueTokenVerifier accepts any non-empty token
CVE-2026-77244 · lines 343–357 · +15 −0
Critical · CVSS 10.0
EPSS 0.3%2026-09-22
MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow
CVE-2026-77265 · lines 343–357 · +15 −0
High · CVSS 7.5
EPSS 0.3%2026-09-22
MCP Atlassian: Arbitrary File Read via Upload Attachment Tools
CVE-2026-77270 · lines 343–357 · +15 −0
Medium · CVSS 6.5
EPSS 0.4%2026-09-22
MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()
CVE-2026-77258 · lines 343–357 · +15 −0
High · CVSS 7.7
EPSS 0.3%2026-09-22
MCP Atlassian: SSRF Protection Bypass
CVE-2026-77274 · lines 343–357 · +15 −0
High · CVSS 8.8
EPSS 0.3%2026-09-22
MCP Atlassian is a Model Context Protocol (MCP): DNS-rebinding TOCTOU bypass of the SSRF fix (CVE-2026-27826): unauthenticated SSRF to cloud metadata
CVE-2026-73497 · lines 343–357 · +15 −0
Medium · CVSS 6.5
EPSS 0.4%2026-09-14
MCP Atlassian: Arbitrary server-side file read via attachment upload
CVE-2026-73496 · lines 343–357 · +15 −0
High · CVSS 7.7
EPSS 0.5%2026-09-14
MCP Atlassian is a Model Context Protocol (MCP): Arbitrary file read via missing path validation in confluence_upload_attachment
CVE-2026-73498 · lines 343–357 · +15 −0
High · CVSS 7.7
EPSS 0.5%2026-08-12

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1_is_tool_authorizedsrc/mcp_atlassian/servers/main.py32 CVEs · 1 patches2026
2_list_tools_mcpsrc/mcp_atlassian/servers/main.py32 CVEs · 1 patches2026
3safe_sendsrc/mcp_atlassian/servers/main.py32 CVEs · 1 patches2026
4_process_authentication_headerssrc/mcp_atlassian/servers/main.py1 CVEs · 1 patches2026

Other hotspots in the repository

Functions in sooperset/mcp-atlassian changed by the most CVE fixes.

validate_url_for_ssrf33 CVEs · src/mcp_atlassian/utils/urls.py download_attachment33 CVEs · src/mcp_atlassian/jira/attachments.py upload_attachment32 CVEs · src/mcp_atlassian/confluence/attachments.py allowlist32 CVEs · src/mcp_atlassian/confluence/search.py _and_spaces_filter32 CVEs · src/mcp_atlassian/confluence/search.py search32 CVEs · src/mcp_atlassian/confluence/search.py

All patched functions in sooperset/mcp-atlassian

Frequently asked questions

Common questions about CVE fixes to _call_tool_mcp.

How many CVEs have patched _call_tool_mcp?: 32 published CVEs changed _call_tool_mcp in sooperset/mcp-atlassian, in 1 distinct patches totalling 480 changed lines, between 2026 and 2026.
What is the latest CVE that changed _call_tool_mcp?: CVE-2026-77246 (MCP Atlassian: MCP HTTP Client Server-Local File Exfiltration via Unvalidated Attachment Upload Path), published 2026-09-22, changed lines 343 to 357 of src/mcp_atlassian/servers/main.py.
How does _call_tool_mcp compare to the rest of sooperset/mcp-atlassian?: sooperset/mcp-atlassian has 34 CVEs with a located fix in total; 32 of them changed _call_tool_mcp.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

src/mcp_atlassian/servers/main.py on GitHub (opens in a new tab)
All patched functions in sooperset/mcp-atlassian
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References