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MC
Product
mcp-atlassian
by sooperset · last CVE Sep 22, 2026
34
CVEs
0
On KEV
10.0
Max CVSS
0
New 30D
Vulnerabilities34In the news0Timeline
Severity mix
Critical 2High 18Medium 14Low 0
Severity
All severities34Critical2High18Medium14Low0
Exploitation
On CISA KEV0Exploited in the wild0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-77244
10.0
0%
Sep 22
[mcp-atlassian] Authentication bypass in HTTP transport: AtlassianOpaqueTokenVerifier accepts any non-empty token
Affected: < 0.22.0
CVE-2026-77254
9.1
1%
Sep 22
MCP Atlassian: Unauthenticated HTTP MCP requests can use globally configured Jira and Confluence credentials
Affected: < 0.22.0
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