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TI-2026-71638 Aliases CVE-2026-109402

Server-side request forgery in conductor-oss Conductor MCP Service

Priority MEDIUM 57CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

conductor-oss Conductor version 3.22.0 contains a server-side request forgery flaw in the MCPService.listTools function of the MCP Service component. Manipulating the mcpServer argument causes the server to send requests to destinations chosen by the attacker (CWE-918). A remote attacker with low privileges can trigger the flaw without user interaction. The exploit has been publicly disclosed and could be used.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

A vulnerability was found in conductor-oss conductor 3.22.0. Affected is the function MCPService.listTools of the file ai/src/main/java/org/conductoross/conductor/ai/mcp/MCPService.java of the component MCP Service. Performing a manipulation of the argument mcpServer results in server-side request forgery. The attack may be initiated remotely. The exploit has been made public and could be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00256 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
conductor-ossconductor3.22.0—No fix listedCNA
  • conductor Vendorconductor-oss Affected 3.22.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:conductor-oss:conductor:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:conductor-oss:conductor:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

The sources list no fixed version for conductor.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-109402
  2. 2026-10-14 CISA SSVC decision points changed
  3. 2026-10-14 Priority changed: LOW → MEDIUM
  4. 2026-11-06 Affected versions changed · Red Hat
  5. 2026-11-06 CVSS score added · Red Hat

References

—

  • TI-2026-71644 conductor-oss conductor Agentspan Agent Runtime server-side request forgery CVSS 4.0MEDIUM 6.9
  • TI-2026-71643 Server-side request forgery in conductor-oss Agent Card fetching CVSS 4.0MEDIUM 6.9
  • TI-2026-41860 Orkes Conductor 3.21.21 < 3.30.2 Unauthenticated RCE via GraalVM Script Evaluators CVSS 4.0CRITICAL 9.3
  • TI-2026-71645 Server-side request forgery in conductor-oss Conductor Kafka task CVSS 4.0MEDIUM 6.9
  • TI-2026-71637 Server-side request forgery in conductor-oss Conductor API tools CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences