CVE-2026-77271
2 advisories.
PyPI/mcp-atlassian CVE-2026-77271: high, EPSS 0.53%
MCP Atlassian: Incomplete path traversal fix allows intra-CWD module overwrite and RCE (bypass of GHSA-xjgw-4wvw-rgm4)
Action: Upgrade mcp-atlassian to 0.22.0 or later.
pip install mcp-atlassian==0.22.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.22.0 | - |
Fixed versions
| 0.22.0 |
Sources
- osv: GHSA-6vmq-24h2-pj7j
- https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-6vmq-24h2-pj7j
- https://nvd.nist.gov/vuln/detail/CVE-2026-77271
- https://github.com/sooperset/mcp-atlassian/pull/1448
- https://github.com/sooperset/mcp-atlassian/commit/b041733473f95119dd539542a43c280737a8e460
- https://github.com/sooperset/mcp-atlassian
- https://github.com/sooperset/mcp-atlassian/releases/tag/v0.22.0
CVE-2026-77271 · published · modified · JSON
PyPI/mcp-atlassian CVE-2026-77271: unknown, EPSS 0.53%
MCP Atlassian: Incomplete path traversal fix allows intra-CWD module overwrite and RCE (bypass of GHSA-xjgw-4wvw-rgm4)
Action: Upgrade mcp-atlassian to 0.22.0 or later.
pip install mcp-atlassian==0.22.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.22.0 | - |
Fixed versions
| 0.22.0 |
Sources
- osv: PYSEC-2026-4087
- https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-6vmq-24h2-pj7j
- https://nvd.nist.gov/vuln/detail/CVE-2026-77271
- https://github.com/sooperset/mcp-atlassian/pull/1448
- https://github.com/sooperset/mcp-atlassian/commit/b041733473f95119dd539542a43c280737a8e460
- https://github.com/sooperset/mcp-atlassian
- https://github.com/sooperset/mcp-atlassian/releases/tag/v0.22.0
- https://pypi.org/project/mcp-atlassian
- https://github.com/advisories/GHSA-6vmq-24h2-pj7j
CVE-2026-77271 · published · modified · JSON