# mcp-atlassian (PyPI) vulnerabilities Source: https://junglewise.ai/threats/technologies/mcp-atlassian Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/mcp-atlassian.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 30 vulnerabilities in mcp-atlassian (PyPI): 0 in the last 7 days and 27 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-77272, was published on 22 September 2026. Nothing in the last four weeks, down from 27 vulnerabilities in the four before. 0 critical against 1. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 27 - All time: 30 (1 critical, 0 exploited in the wild) ## About mcp-atlassian (PyPI) A Python package providing integration for Atlassian products. ## Latest mcp-atlassian (PyPI) vulnerabilities - [CVE-2026-77272: Atlassian MCP reflected XSS in OAuth setup callback handler](https://junglewise.ai/threats/cve-2026-77272-atlassian-mcp-reflected-xss-in-oauth-setup-callback-handler) (medium, CVSS 5.4, published 22 Sep 2026) - [CVE-2026-77269: Atlassian MCP path traversal in upload_attachment allows arbitrary file read](https://junglewise.ai/threats/cve-2026-77269-atlassian-mcp-path-traversal-in-upload-attachment-allows) (medium, CVSS 6.5, published 22 Sep 2026) - [CVE-2026-77268: Atlassian MCP insecure OAuth token file permissions](https://junglewise.ai/threats/cve-2026-77268-atlassian-mcp-insecure-oauth-token-file-permissions) (medium, CVSS 5.5, published 22 Sep 2026) - [CVE-2026-77266: MCP Atlassian path traversal in upload_attachment](https://junglewise.ai/threats/cve-2026-77266-mcp-atlassian-path-traversal-in-upload-attachment) (medium, CVSS 6.5, published 22 Sep 2026) - [CVE-2026-77262: sooperset mcp-atlassian path traversal in confluence_upload_attachment](https://junglewise.ai/threats/cve-2026-77262-sooperset-mcp-atlassian-path-traversal-in-confluence-upload) (high, CVSS 8.6, published 22 Sep 2026) - [CVE-2026-77259: MCP Atlassian arbitrary file read via confluence_upload_attachment](https://junglewise.ai/threats/cve-2026-77259-mcp-atlassian-arbitrary-file-read-via-confluence-upload) (high, CVSS 7.7, published 22 Sep 2026) - [CVE-2026-77257: sooperset mcp-atlassian arbitrary local file read in HTTP upload](https://junglewise.ai/threats/cve-2026-77257-sooperset-mcp-atlassian-arbitrary-local-file-read-in-http-upload) (high, CVSS 4, published 22 Sep 2026) - [CVE-2026-77255: Atlassian MCP arbitrary file read via path traversal in update_issue](https://junglewise.ai/threats/cve-2026-77255-atlassian-mcp-arbitrary-file-read-via-path-traversal-in-update) (high, CVSS 8.6, published 22 Sep 2026) - [CVE-2026-77253: MCP Atlassian arbitrary file read in attachment upload](https://junglewise.ai/threats/cve-2026-77253-mcp-atlassian-arbitrary-file-read-in-attachment-upload) (high, CVSS 7.1, published 22 Sep 2026) - [CVE-2026-77249: Atlassian MCP Jira user-permission lookup SSRF via unvalidated request session](https://junglewise.ai/threats/cve-2026-77249-atlassian-mcp-jira-user-permission-lookup-ssrf-via-unvalidated) (medium, CVSS 5.3, published 22 Sep 2026) - [CVE-2026-77248: Atlassian MCP unauthenticated arbitrary file read in upload_attachment](https://junglewise.ai/threats/cve-2026-77248-atlassian-mcp-unauthenticated-arbitrary-file-read-in-upload) (high, CVSS 8.6, published 22 Sep 2026) - [CVE-2026-77247: Sooperset MCP Atlassian arbitrary file upload to Jira/Confluence via unrestricted file paths](https://junglewise.ai/threats/cve-2026-77247-sooperset-mcp-atlassian-arbitrary-file-upload-to-jira-confluence) (high, CVSS 7.5, published 22 Sep 2026) - [CVE-2026-77246: MCP Atlassian HTTP server local file exfiltration via unvalidated attachment path](https://junglewise.ai/threats/cve-2026-77246-mcp-atlassian-http-server-local-file-exfiltration-via-unvalidated) (high, CVSS 7.4, published 22 Sep 2026) - [CVE-2026-77274: Atlassian MCP SSRF protection bypass via URL parser mismatch](https://junglewise.ai/threats/cve-2026-77274-atlassian-mcp-ssrf-protection-bypass-via-url-parser-mismatch) (high, CVSS 4, published 22 Sep 2026) - [CVE-2026-77271: Atlassian MCP path traversal bypass leading to RCE](https://junglewise.ai/threats/cve-2026-77271-atlassian-mcp-path-traversal-bypass-leading-to-rce) (high, CVSS 4, published 22 Sep 2026) - [CVE-2026-77270: Atlassian MCP arbitrary file read via upload attachment tools](https://junglewise.ai/threats/cve-2026-77270-atlassian-mcp-arbitrary-file-read-via-upload-attachment-tools) (medium, CVSS 6.5, published 22 Sep 2026) - [CVE-2026-77267: mcp-atlassian incomplete SSRF remediation in URL header processing](https://junglewise.ai/threats/cve-2026-77267-mcp-atlassian-incomplete-ssrf-remediation-in-url-header) (high, CVSS 4, published 22 Sep 2026) - [CVE-2026-77265: Atlassian MCP Server SSRF via DNS rebinding in header authentication](https://junglewise.ai/threats/cve-2026-77265-atlassian-mcp-server-ssrf-via-dns-rebinding-in-header) (medium, CVSS 5.9, published 22 Sep 2026) - [CVE-2026-77261: MCP Atlassian SSRF protection bypass in basic-auth and OAuth branches](https://junglewise.ai/threats/cve-2026-77261-mcp-atlassian-ssrf-protection-bypass-in-basic-auth-and-oauth) (high, CVSS 7.1, published 22 Sep 2026) - [CVE-2026-77260: Atlassian MCP Server arbitrary file read via unconstrained upload_attachment path](https://junglewise.ai/threats/cve-2026-77260-atlassian-mcp-server-arbitrary-file-read-via-unconstrained-upload) (high, CVSS 4, published 22 Sep 2026) - [CVE-2026-77258: MCP Atlassian path traversal in attachment upload](https://junglewise.ai/threats/cve-2026-77258-mcp-atlassian-is-a-model-context-protocol-mcp-server-for) (high, CVSS 7.7, published 22 Sep 2026) - [CVE-2026-77251: mcp-atlassian JQL/CQL filter bypass in Jira and Confluence search](https://junglewise.ai/threats/cve-2026-77251-mcp-atlassian-jql-cql-filter-bypass-in-jira-and-confluence-search) (high, CVSS 4, published 22 Sep 2026) - [CVE-2026-77250: MCP Atlassian OAuth fallback token storage plaintext exposure](https://junglewise.ai/threats/cve-2026-77250-mcp-atlassian-oauth-fallback-token-storage-plaintext-exposure) (medium, CVSS 6.1, published 22 Sep 2026) - [CVE-2026-77244: mcp-atlassian authentication bypass in HTTP transport](https://junglewise.ai/threats/cve-2026-77244-mcp-atlassian-authentication-bypass-in-http-transport) (critical, CVSS 10, published 22 Sep 2026) - [CVE-2026-77243: mcp-atlassian tool authorization bypass in tools/call](https://junglewise.ai/threats/cve-2026-77243-mcp-atlassian-tool-authorization-bypass-in-tools-call) (high, CVSS 8.8, published 22 Sep 2026) ## Most severe mcp-atlassian (PyPI) vulnerabilities - [CVE-2026-77244: mcp-atlassian authentication bypass in HTTP transport](https://junglewise.ai/threats/cve-2026-77244-mcp-atlassian-authentication-bypass-in-http-transport) (critical, CVSS 10, published 22 Sep 2026) - [CVE-2026-77243: mcp-atlassian tool authorization bypass in tools/call](https://junglewise.ai/threats/cve-2026-77243-mcp-atlassian-tool-authorization-bypass-in-tools-call) (high, CVSS 8.8, published 22 Sep 2026) - [CVE-2026-77262: sooperset mcp-atlassian path traversal in confluence_upload_attachment](https://junglewise.ai/threats/cve-2026-77262-sooperset-mcp-atlassian-path-traversal-in-confluence-upload) (high, CVSS 8.6, published 22 Sep 2026) - [CVE-2026-77255: Atlassian MCP arbitrary file read via path traversal in update_issue](https://junglewise.ai/threats/cve-2026-77255-atlassian-mcp-arbitrary-file-read-via-path-traversal-in-update) (high, CVSS 8.6, published 22 Sep 2026) - [CVE-2026-77248: Atlassian MCP unauthenticated arbitrary file read in upload_attachment](https://junglewise.ai/threats/cve-2026-77248-atlassian-mcp-unauthenticated-arbitrary-file-read-in-upload) (high, CVSS 8.6, published 22 Sep 2026) - [CVE-2026-73496: MCP Atlassian path traversal in attachment upload](https://junglewise.ai/threats/cve-2026-73496-mcp-atlassian-path-traversal-in-attachment-upload) (high, CVSS 7.7, published 14 Sep 2026) - [CVE-2026-73498: MCP Atlassian arbitrary file read in attachment upload](https://junglewise.ai/threats/cve-2026-73498-mcp-atlassian-arbitrary-file-read-in-attachment-upload) (high, CVSS 7.7, published 12 Aug 2026) - [CVE-2026-77259: MCP Atlassian arbitrary file read via confluence_upload_attachment](https://junglewise.ai/threats/cve-2026-77259-mcp-atlassian-arbitrary-file-read-via-confluence-upload) (high, CVSS 7.7, published 22 Sep 2026) - [CVE-2026-77258: MCP Atlassian path traversal in attachment upload](https://junglewise.ai/threats/cve-2026-77258-mcp-atlassian-is-a-model-context-protocol-mcp-server-for) (high, CVSS 7.7, published 22 Sep 2026) - [CVE-2026-77247: Sooperset MCP Atlassian arbitrary file upload to Jira/Confluence via unrestricted file paths](https://junglewise.ai/threats/cve-2026-77247-sooperset-mcp-atlassian-arbitrary-file-upload-to-jira-confluence) (high, CVSS 7.5, published 22 Sep 2026) ## Vulnerabilities per week Nothing in the last four weeks, down from 27 vulnerabilities in the four before. 0 critical against 1. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 2 | 0 | 0 | | 21 Sep 2026 | 25 | 1 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other PyPI technologies - [tensorflow (PyPI)](https://junglewise.ai/threats/technologies/pypi-tensorflow): 435 vulnerabilities - [tensorflow-cpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-cpu): 430 vulnerabilities - [tensorflow-gpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-gpu): 427 vulnerabilities - [open-webui (PyPI)](https://junglewise.ai/threats/technologies/open-webui): 177 vulnerabilities - [Django (PyPI)](https://junglewise.ai/threats/technologies/django): 173 vulnerabilities - [apache-airflow (PyPI)](https://junglewise.ai/threats/technologies/apache-airflow): 159 vulnerabilities - [pillow (PyPI)](https://junglewise.ai/threats/technologies/pillow): 125 vulnerabilities - [praisonai (PyPI)](https://junglewise.ai/threats/technologies/pypi-praisonai): 120 vulnerabilities - [vllm (PyPI)](https://junglewise.ai/threats/technologies/pypi-vllm): 117 vulnerabilities - [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone): 101 vulnerabilities - [mlflow (PyPI)](https://junglewise.ai/threats/technologies/mlflow): 88 vulnerabilities - [picklescan (PyPI)](https://junglewise.ai/threats/technologies/picklescan): 86 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "mcp-atlassian (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/mcp-atlassian, 13 November 2026.