CVE-2026-110667 cemtan CVE debrief

Who should care

Defenders responsible for systems using cemtan sar2html version 4.0.0 should assess exposure and prioritize verification and remediation efforts. This includes reviewing compensating controls for exposed systems while remediation is scheduled and verified. Defenders should also track exceptions, retest remediated assets, and close the item only after evidence is documented.

Why it matters

Defenders should prioritize verifying the presence of hardcoded credentials in sar2html.py and assess exposure of systems using version 4.0.0 of sar2html.

• Verify presence of hardcoded credentials in sar2html.py
• Assess exposure of systems using version 4.0.0 of sar2html
• Review and update affected systems

Technical summary

The vulnerability is caused by hardcoded credentials in the sar2html.py file of cemtan sar2html version 4.0.0. This allows for remote execution of the attack. The manipulation of the argument SECRET_KEY results in hard-coded credentials. Defenders should prioritize verifying the presence of hardcoded credentials in sar2html.py and assess exposure of systems using version 4.0.0 of sar2html. The project was informed of the problem early through an issue report but has not responded yet. Additional verification is needed to confirm the affected scope and vendor guidance.

Defensive priority

Defenders should prioritize verifying the presence of hardcoded credentials in sar2html.py and assess exposure of systems using version 4.0.0 of sar2html.

Recommended defensive actions

• Verify the presence of hardcoded credentials in sar2html.py
• Assess exposure of systems using version 4.0.0 of sar2html
• Review and update affected systems
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• 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
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and source item provide details about the vulnerability, but vendor remediation and affected scope require verification. The source item provides a brief description of the vulnerability. However, additional verification is needed to confirm the affected scope and vendor guidance. Defenders should verify the presence of hardcoded credentials in sar2html.py and assess exposure of systems using version 4.0.0 of sar2html.

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.