CVE-2026-82598 SeaCMS CVE debrief

Who should care

SeaCMS users and administrators, security teams monitoring for remote code injection risks, and operators managing affected deployments should review this vulnerability and plan for potential mitigation or remediation efforts based on vendor guidance and compensating controls available. This vulnerability affects SeaCMS up to version 13.6, specifically the template engine component, and may allow for remote code injection if exploited. Affected parties should verify their deployments and prepare for updates or mitigations as necessary. Security teams should also monitor for suspicious activity related to this vulnerability. Additionally, asset inventory and vulnerability management processes should be reviewed to ensure that affected systems are identified and prioritized for remediation. Rollback and change window planning may also be necessary to ensure timely mitigation of this vulnerability. Source tracking and exposure reviews are recommended to understand the potential impact on the organization. Compensating controls, such as monitoring and detection, should be implemented while remediation is scheduled and verified. The CVE record was published on 2026-08-31T01:16:50.417Z and has not been modified since then, indicating that no additional information has been provided since its disclosure. Therefore, it is crucial for affected parties to proactively assess their exposure and prepare for potential remediation efforts based on the information available. The debrief and technical summary provide further context on the vulnerability and its potential impact, emphasizing the need for prompt review and action by affected parties. The defensive priority for this vulnerability is medium, reflecting the potential risk of remote code injection and the importance of timely mitigation. Overall, a comprehensive review of the vulnerability details, affected scope, and available guidance is necessary to ensure appropriate defensive measures are taken. This includes verifying SeaCMS version and template engine configuration, restricting access to search.php, and implementing compensating controls as needed. By taking these steps, organizations can reduce their exposure

Technical summary

A potential vulnerability was determined in SeaCMS up to 13.6, affecting the parseIf function in search.php of the template engine. Manipulation of the searchtype argument may cause code injection, allowing remote attacks. The vulnerability is located in the template engine component of SeaCMS, specifically in the search.php file. The parseIf function is vulnerable to code injection due to improper handling of the searchtype argument. This could allow an attacker to inject malicious code remotely, potentially leading to unauthorized access or modifications to the system. It is recommended that affected parties verify their deployments and prepare for updates or mitigations as necessary.

Defensive priority

Medium-priority defensive review recommended due to potential remote code injection risk in SeaCMS template engine.

Recommended defensive actions

• Verify SeaCMS version and template engine configuration
• Restrict access to search.php
• Monitor for suspicious activity
• Implement compensating controls
• Review vendor remediation guidance

Evidence notes

Evidence is limited; primary official records indicate a potential vulnerability in SeaCMS template engine. Further verification needed. The CVE record was published on 2026-08-31T01:16:50.417Z and has not been modified since then. Additional review of SeaCMS version 13.6 and template engine configuration is recommended to understand potential exposure.

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.