CVE-2026-116046 eventcatalog CVE debrief

Who should care

Defenders responsible for systems using the eventcatalog sdk up to version 2.29.0 should assess exposure and prioritize upgrading to version 2.30.0. Affected operators, platforms, vulnerability-management, and security teams should review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

Defenders should care about CVE-2026-116046 because it allows for path traversal attacks on the local host, potentially leading to unauthorized access to sensitive files and systems. The vulnerability is relatively easy to exploit and has been resolved in version 2.30.0. Affected systems should be identified and upgraded to mitigate this vulnerability.

• Path traversal attacks may allow unauthorized access to sensitive files
• Local host attacks may be launched
• Verification of affected systems and inventory checks are necessary
• Remediation priority is high due to the ease of exploitation

Technical summary

The eventcatalog sdk up to version 2.29.0 contains a path traversal vulnerability in the Custom Documentation Helpers component. The functions getCustomDoc, writeCustomDoc, and rmCustomDoc in the file packages/sdk/src/custom-docs.ts are affected by manipulating the options.path argument, allowing for path traversal attacks on the local host. The issue has been resolved in version 2.30.0. Affected systems using eventcatalog sdk up to version 2.29.0 should be identified and upgraded to mitigate this vulnerability. The vulnerability is relatively easy to exploit and has been resolved in version 2.30.0.

Defensive priority

Defenders should prioritize upgrading to version 2.30.0 to mitigate this vulnerability.

Recommended defensive actions

• Upgrade to version 2.30.0 or later
• Review and update affected systems
• Monitor for potential attacks
• Perform vulnerability assessment
• 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 references provide details on the vulnerability, affected version, and fixed version. The eventcatalog sdk up to version 2.29.0 contains a path traversal vulnerability in the Custom Documentation Helpers component. The functions getCustomDoc, writeCustomDoc, and rmCustomDoc in the file packages/sdk/src/custom-docs.ts are affected by manipulating the options.path argument, allowing for path traversal attacks on the local host. The issue has been resolved in version 2.30.0. Evidence is limited to CVE and NVD, 2

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.