CVE-2026-77265
2 advisories.
PyPI/mcp-atlassian CVE-2026-77265: medium 5.9, EPSS 0.27%
MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow
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-49xv-9743-pw8w
- https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-49xv-9743-pw8w
- https://nvd.nist.gov/vuln/detail/CVE-2026-77265
- 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-2026-77265 · published · modified · JSON
PyPI/mcp-atlassian CVE-2026-77265: medium 5.9, EPSS 0.27%
MCP Atlassian: SSRF via DNS Rebinding in Header-Based Authentication Flow
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-2026-4083
- https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-49xv-9743-pw8w
- https://nvd.nist.gov/vuln/detail/CVE-2026-77265
- 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-49xv-9743-pw8w
CVE-2026-77265 · published · modified · JSON