CVE-2026-27124 vulnerabilities

Vulnerabilities for packages: mcp-atlassian...

ariadne-sensemaking (>=0.1.0, <=0.1.2), atlan-mcp-server (0.3.1) +5 more potentially affected by CVE-2026-27124 via fastmcp (2.13.2)

fastmcp PYPI version 2.13.2 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - ariadne-sensemaking =0.1.0, =1.0.35, =0.5.14, =0.5.34 Source cves: CVE-2026-27124 Source advisory: OSV:PYSEC-2026-2476...

bigquery-mcp (>=0.1.4, <=0.1.5), cowmcpservice (0.1.0) +32 more potentially affected by CVE-2026-27124 via fastmcp (2.13.0)

fastmcp PYPI version 2.13.0 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - bigquery-mcp =0.1.4, =2.1.0, =2.1.0, =2.1.0, =0.2.7, =1.0.0, =1.0.0, =3.2.18, =0.12.0, =0.1.0.8, =0.6.2, =2.12.0, =2.15.0 and more Source cves:...

ai-xone-mcp-workflow (>=0.0.2a1, <=0.0.2a5), axians-mcp (>=0.1.0, <=1.2.2) +10 more potentially affected by CVE-2026-27124 via fastmcp (2.3.5)

fastmcp PYPI version 2.3.5 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - ai-xone-mcp-workflow =0.0.2a1, =0.1.0, =0.1.0, =0.1.0a0, =0.1.20, =0.10.5, =0.0.0, =0.0.1, =1.0.0 Source cves: CVE-2026-27124 Source advisory:...

complexipy-mcp (>=0.1.0, <=0.1.1), gyy-mcp (>=1.0.0, <=1.1.2) +19 more potentially affected by CVE-2026-27124 via fastmcp (2.14.2)

fastmcp PYPI version 2.14.2 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - complexipy-mcp =0.1.0, =1.0.0, =1.1.2 - oracle-oci-cloud-guard-mcp-server 1.1.2 - oracle-oci-cloud-mcp-server 1.1.2 -...

beads-mcp (>=0.50.0, <=0.55.4), candlekeep (>=0.1.0, <=2.1.0) +10 more potentially affected by CVE-2026-27124 via fastmcp (2.14.5)

fastmcp PYPI version 2.14.5 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - beads-mcp =0.50.0, =0.1.0, =0.20.0, =2.8.0, =1.49.0, =1.4.0, =0.1.3, =1.3.2, =1.2.0, =0.1.0, =0.9.33, =0.9.41 Source cves: CVE-2026-27124 Source...

ai-code-review (>=2.0.0.dev1, <=3.1.2), ai-cr (>=2.0.0.dev1, <=3.1.2) +24 more potentially affected by CVE-2026-27124 via fastmcp (2.8.1)

fastmcp PYPI version 2.8.1 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - ai-code-review =2.0.0.dev1, =2.0.0.dev1, =4.0.0.dev21, =0.0.1, =0.2.0, =2.0.0.dev1, =2.0.0.dev1, =0.0.1, =0.0.1, =0.0.1, =0.0.1, =0.0.2 and more...

acex (>=3.0.0, <=6.17.0), acex-mcp (1.0.0) +470 more potentially affected by CVE-2026-27124 via fastmcp (2.14.7)

fastmcp PYPI version 2.14.7 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - acex =3.0.0, =0.2.0, =0.1.0, =0.1.7, =2.1.7, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =4.3.4, =0.2.0, =3.0.0b15, =0.1.0, =0.1.5 and more Source cves:...

heaven-framework (>=0.1.15, <=0.1.22), oracle-oci-api-mcp-server (>=1.0.0, <=1.0.1) +18 more potentially affected by CVE-2026-27124 via fastmcp (2.12.2)

fastmcp PYPI version 2.12.2 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - heaven-framework =0.1.15, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =1.0.1 and more Source...

iflow-mcp-erickjtorres-flutter-surf-mcp (0.1.0), one-prompt-agents (>=0.0.1, <=0.0.3) potentially affected by CVE-2026-27124 via fastmcp (2.3.4)

fastmcp PYPI version 2.3.4 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - iflow-mcp-erickjtorres-flutter-surf-mcp 0.1.0 - one-prompt-agents =0.0.1, =0.0.3 Source cves: CVE-2026-27124 Source advisory: OSV:PYSEC-2026-2476...

CVE-2026-27124

creationtimestamp| type| source ---|---|--- 2026-04-03 16:05:29+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mim3y7nole2z 2026-04-03 17:26:40+00:00| published-proof-of-concept| Telegram/DJsg5Qi7j92DgCP14lqfeXU4IPClBfbIww0fpCMr4ueipk0...

ai-xone-mcp-workflow (>=0.0.2a1, <=0.0.2a5), axians-mcp (>=0.1.0, <=1.2.2) +10 more potentially affected by CVE-2026-27124 via fastmcp (2.3.5)

fastmcp PYPI version 2.3.5 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - ai-xone-mcp-workflow =0.0.2a1, =0.1.0, =0.1.0, =0.1.0a0, =0.1.20, =0.10.5, =0.0.0, =0.0.1, =1.0.0 Source cves: CVE-2026-27124 Source advisory:...

mcp-atlassian (>=0.10.3, <=0.10.4) potentially affected by CVE-2026-27124 via fastmcp (2.2.7)

fastmcp PYPI version 2.2.7 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - mcp-atlassian =0.10.3, =0.10.4 Source cves: CVE-2026-27124 Source advisory: OSV:GHSA-RWW4-4W9C-7733...

agentic-ai-engineering-course (>=0.4.6, <=1.0.0), iflow-mcp-divar-ir-sourcegraph-mcp (0.1.0) +7 more potentially affected by CVE-2026-27124 via fastmcp (2.12.0)

fastmcp PYPI version 2.12.0 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - agentic-ai-engineering-course =0.4.6, =0.2.0, =0.1.0, =0.1.3, =1.2.0, =1.2.1 Source cves: CVE-2026-27124 Source advisory: OSV:GHSA-RWW4-4W9C-7733...

beads-mcp (>=0.19.0, <=0.21.5), black-litterman-mcp (>=0.1.0, <=0.3.1) +4 more potentially affected by CVE-2026-27124 via fastmcp (2.13.0.1)

fastmcp PYPI version 2.13.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - beads-mcp =0.19.0, =0.1.0, =0.0.67, =0.9.26, =0.1.0, =0.1.1 Source cves: CVE-2026-27124 Source advisory: OSV:GHSA-RWW4-4W9C-7733...

ariadne-sensemaking (>=0.1.0, <=0.1.2), atlan-mcp-server (0.3.1) +5 more potentially affected by CVE-2026-27124 via fastmcp (2.13.2)

fastmcp PYPI version 2.13.2 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - ariadne-sensemaking =0.1.0, =1.0.35, =0.5.14, =0.5.34 Source cves: CVE-2026-27124 Source advisory: OSV:GHSA-RWW4-4W9C-7733...

closelink-mcp (1.1.7) potentially affected by CVE-2026-27124 via fastmcp (2.3.1)

fastmcp PYPI version 2.3.1 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - closelink-mcp 1.1.7 Source cves: CVE-2026-27124 Source advisory: OSV:GHSA-RWW4-4W9C-7733...

vail-model-registry (>=0.1.11, <=0.1.12) potentially affected by CVE-2026-27124 via fastmcp (2.10.0)

fastmcp PYPI version 2.10.0 is affected by a known vulnerability. The following packages have a transitive dependency on fastmcp and may be impacted: - vail-model-registry =0.1.11, =0.1.12 Source cves: CVE-2026-27124 Source advisory: OSV:GHSA-RWW4-4W9C-7733...

acpx-teams (0.1.0), arifos (>=2026.2.22, <=2026.4.16) +58 more potentially affected by CVE-2026-27124 via fastmcp (>=3.0.0b1, <=3.1.1)

fastmcp PYPI version =3.0.0b1, =2026.2.22, =2026.3.13, =1.0.0, =0.56.0, =0.1.0, =0.3.2, =0.2.0, =0.3.0, =1.1.0, =0.0.1, =0.1.0, =1.0.0, =1.4.0 and more Source cves: CVE-2026-27124 Source advisory: SNYK:PYTHON-FASTMCP-15871030...

acpx-teams (0.1.0), arifos (>=2026.2.22, <=2026.4.16) +58 more potentially affected by CVE-2026-27124 via fastmcp (>=3.0.0b1, <=3.1.1)

fastmcp PYPI version =3.0.0b1, =2026.2.22, =2026.3.13, =1.0.0, =0.56.0, =0.1.0, =0.3.2, =0.2.0, =0.3.0, =1.1.0, =0.0.1, =0.1.0, =1.0.0, =1.4.0 and more Source cves: CVE-2026-27124 Source advisory: OSV:GHSA-RWW4-4W9C-7733...