CVE-2026-105898 Adobe CVE debrief

Who should care

Administrators and users of ColdFusion 2025 and 2023 should assess exposure and apply patches. Review and restrict access to ColdFusion installations. Security teams must prioritize patching and monitor for suspicious activity. Vulnerability management processes should include verifying the applicability of patches and reviewing system logs. Platform operators should ensure user interaction policies limit the risk of malicious file openings.

Why it matters

CVE-2026-105898 is a high-severity vulnerability in ColdFusion that requires immediate attention. Administrators and users must review and apply Adobe's security patches to prevent potential exploitation and arbitrary code execution.

• Potential arbitrary code execution in the context of the current user
• Low-privileged attacker exploitation requiring user interaction
• Scope change possible due to vulnerability

Technical summary

ColdFusion is affected by an Incorrect Authorization vulnerability (CWE-863) that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code, requiring user interaction to open a malicious file. The vulnerability's scope can change, potentially increasing the impact. There is no information on the root cause or specific exploit details. Affected products include ColdFusion 2025 and 2023. Users must review and apply Adobe's security patches.

Defensive priority

High

Recommended defensive actions

• Review and apply Adobe's security patches for ColdFusion 2025 and 2023
• Restrict access to ColdFusion installations to minimize exposure
• Monitor ColdFusion logs for suspicious activity
• Verify user interaction and file opening policies
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• 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 on the Incorrect Authorization vulnerability in ColdFusion. Adobe has released an advisory (APSB26-144) addressing this issue. The vulnerability is identified as CWE-863, and its exploitation requires user interaction. The affected products are ColdFusion 2025 and 2023. There is no information on known or unknown affected scope beyond these versions. Defenders should verify the applicability of patches and review system logs for suspicious activity related to file openings and user access

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.