CVE-2026-100526 openclaw CVE debrief

Who should care

Defenders responsible for OpenClaw's Discord integration, specifically those with administrative access to the guild asset action, should assess exposure and prioritize verification and remediation.

Why it matters

CVE-2026-100526 is a medium-severity vulnerability in OpenClaw's Discord integration that could allow unauthorized file reads and potential data exposure. Defenders responsible for OpenClaw's Discord integration should assess exposure and prioritize verification and remediation.

• Potential unauthorized file reads
• Possible data exposure through emoji or sticker uploads
• Requires verification of vulnerable versions and access controls
• Remediation priority for OpenClaw Discord integration administrators

Technical summary

The vulnerability in OpenClaw's Discord integration (npm package @openclaw/discord) before version 2026.9.3 could allow a sender with permission to upload emojis or stickers to cause OpenClaw to read a local file that would otherwise be rejected by the sender's configured media roots. This requires access to the guild asset action and knowledge or derivation of a useful local path. The vulnerability does not permit unrestricted filesystem browsing or code execution.

Defensive priority

Defenders should prioritize verifying if they are using a vulnerable version of @openclaw/discord and upgrading to version 2026.9.3 or later. They should also review and restrict access to the guild asset action to ensure that only authorized users have this capability.

Recommended defensive actions

• Verify if using a vulnerable version of @openclaw/discord
• Upgrade to version 2026.9.3 or later
• Review and restrict access to the guild asset action
• Perform vulnerability scanning to identify potentially exposed systems
• Implement additional logging and monitoring for suspicious activity
• Review and update incident response plans to address potential exploitation
• Conduct a thorough review of system configurations and user permissions

Evidence notes

The CVE record and source references provide details about the vulnerability, its impact, and the fixed version. However, there is limited information about potential exploitation or affected 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.