Veille CVE
CVE-2026-77261
8.5 ÉlevéeDescription
MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, _make_ssrf_safe_hook is omitted from JiraFetcher and ConfluenceFetcher sessions created through the basic-auth and oauth_pat branches. If an attacker-controlled or compromised configured Atlassian instance returns a redirect to an internal address, those sessions can follow the redirect without revalidating its destination. This issue is fixed in version 0.22.0.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.1 Élevée | security-advisories@github.com | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N |
| 3.1 | 8.5 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |
Faiblesses (CWE)
Références
- https://github.com/sooperset/mcp-atlassian/commit/b041733473f95119dd539542a43c280737a8e460 Patch
- https://github.com/sooperset/mcp-atlassian/pull/1448 Patch
- https://github.com/sooperset/mcp-atlassian/releases/tag/v0.22.0 Release Notes
- https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-6529-c226-h328 ExploitVendor Advisory