CVE-2026-108786 houtini-ai CVE debrief

Who should care

Defenders responsible for the houtini-ai seo-crawler-mcp package, as well as those managing systems that interact with the Crawler component, should assess their exposure and potential impact of SSRF attacks.

Why it matters

Defenders should care about CVE-2026-108786 because it allows for server-side request forgery (SSRF) attacks, which can lead to unauthorized requests, disruption of service, or data leakage. The vulnerability is in the houtini-ai seo-crawler-mcp package, and its exploitation requires verification and potential patching or mitigation.

• Potential for unauthorized requests to internal or external resources
• Possible disruption of service or data leakage due to SSRF exploitation
• Need for verification of affected versions and application of patches or mitigations
• Importance of monitoring for suspicious activity related to the Crawler component

Technical summary

The vulnerability is located in the `run_seo_audit` function of the `src/core/CrawlOrchestrator.ts` file, which is part of the Crawler component. This function is vulnerable to server-side request forgery (SSRF) attacks, allowing an attacker to manipulate the server into making unintended requests. The houtini-ai seo-crawler-mcp package up to version 2.1.5 is affected, and defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing the potential impact of SSRF attacks on their systems.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing the potential impact of SSRF attacks on their systems.

Recommended defensive actions

• Verify the presence of the houtini-ai seo-crawler-mcp package in your inventory
• Assess the potential impact of SSRF attacks on your systems
• Monitor for any suspicious activity related to the Crawler component
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• 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

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. The vendor did not respond to the disclosure, and there is no information on affected or fixed versions. Defenders should verify the presence of the houtini-ai seo-crawler-mcp package in their inventory and assess potential impact. They should also monitor for suspicious activity related to the Crawler component and consider compensating controls for exposed systems.

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.