CVE-2026-77258
2 advisories.
PyPI/mcp-atlassian CVE-2026-77258: high 7.7
MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()
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-93xw-j965-9mx3
- https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-93xw-j965-9mx3
- https://nvd.nist.gov/vuln/detail/CVE-2026-77258
- 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-2026-77258 · published · modified · JSON
PyPI/mcp-atlassian CVE-2026-77258: high 7.7
MCP Atlassian: Arbitrary file read/exfiltration via upload_attachment missing validate_safe_path()
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-2026-4088
- https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-93xw-j965-9mx3
- https://nvd.nist.gov/vuln/detail/CVE-2026-77258
- 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-93xw-j965-9mx3
CVE-2026-77258 · published · modified · JSON