CVE-2026-109402 conductor-oss CVE debrief

Who should care

Defenders responsible for conductor-oss conductor deployments should assess their exposure and prioritize patching or mitigation efforts. This vulnerability could potentially be used to make unauthorized requests to internal services, leading to further exploitation or data breaches.

Why it matters

Defenders should care about CVE-2026-109402 because it is a server-side request forgery vulnerability in conductor-oss conductor 3.22.0, allowing for remote exploitation and potential unauthorized requests to internal services. Verification of affected versions and patch application are crucial.

• Potential unauthorized requests to internal services
• Possible exploitation leading to data breaches
• Need for verification of affected versions and patch application
• Potential for remote exploitation

Technical summary

The MCPService.listTools function in conductor-oss conductor 3.22.0 is vulnerable to server-side request forgery (SSRF) attacks. This occurs when the mcpServer argument is manipulated, allowing for remote exploitation. The vulnerability allows an attacker to make unauthorized requests to internal services, potentially leading to further exploitation or data breaches. Defenders should prioritize verifying the affected version of conductor-oss conductor and applying patches or mitigations as recommended by the vendor.

Defensive priority

Defenders should prioritize verifying the affected version of conductor-oss conductor and applying patches or mitigations as recommended by the vendor.

Recommended defensive actions

• Verify the version of conductor-oss conductor in use and check if it is affected by this vulnerability.
• Apply patches or mitigations recommended by the vendor as soon as possible.
• Monitor for potential exploitation attempts targeting this vulnerability.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and source item provide details about the vulnerability, including its existence in version 3.22.0 of conductor-oss conductor and the potential for remote exploitation. However, additional information about the vulnerability's impact, exploitation, or remediation is limited.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.