Live Exposure Defense: From CVE to Confirmed Exposure in 12 Hours – See more

Back
New CVE Detected

CVE-2026-53834 – Authorization Bypass – OpenClaw before 2026.4.27

Be the first to know when new zero-days emerge:

Subscribe to Email Alerts
Subscribe to RSS Feed

Summary

CVE-2026-53834 is a high-severity authorization bypass vulnerability (CWE-863: Incorrect Authorization) affecting OpenClaw, an open-source AI agent platform, in all versions prior to 2026.4.27. The flaw resides in the QQBot channel plugin’s pre-dispatch slash command handling, where the configured allowFrom access control policy is not applied before a command is dispatched — allowing senders who would otherwise be blocked to trigger slash command execution. The vulnerability carries a CVSS 4.0 score of 8.2 (HIGH) and requires no privileges on the OpenClaw server to exploit.

Technical details

  • Root cause: Incorrect authorization (CWE-863) in the QQBot plugin’s pre-dispatch pipeline. When a slash command is received, the allowFrom policy check is bypassed before the command is dispatched, meaning restricted senders can invoke commands that should be blocked by the operator’s configured access controls.
  • Trigger conditions: Exploitation requires that the operator has configured allowFrom access control policies and is running QQBot with slash commands enabled. The severity of impact is determined by which slash commands are deployed; as an AI agent framework, OpenClaw can expose capabilities including system command execution, file access, and external API calls.
  • Attack vector: Fully network-accessible. No privileges on the OpenClaw server are required (PR:N). Any QQ messaging platform user with network access to an exposed OpenClaw instance can send slash commands that reach the pre-dispatch handler before policies are enforced.
  • Impact: Unauthorized integrity modification — blocked senders can successfully dispatch slash commands before allowFrom restrictions are applied. Confidentiality impact is none; integrity impact is high (VI:H per CVSS 4.0).

Affected software

  • OpenClaw (npm: openclaw) — all versions prior to 2026.4.27

Severity

CVSS v3.1 Base Score: 7.5 (HIGH)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Mitigation and recommended actions

  • Immediate: Upgrade OpenClaw to version 2026.4.27 or later, which contains the vendor-provided fix for this vulnerability.
  • If immediate patching is not feasible:
    • Restrict network-level access to QQBot slash command endpoints.
    • Avoid sharing a single OpenClaw Gateway instance between untrusted users.
    • Maintain narrow channel and tool allowlists, and remove any wildcard allowFrom entries where admin-restricted commands are deployed.
    • Disable QQBot slash commands entirely when they are not actively required.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

Are you exposed?

Get a free report of your organization’s exposure to this CVE and threat

  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
Get Exposure Report

How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

Are you exposed?

Get a free report of your organization’s exposure to this CVE and threat

  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
Get Exposure Report
Close

Subscribe to Threat Center RSS

Copy/paste the link below into your preferred RSS reader or follow these instructions to subscribe to Slack alerts.

Open RSS feedSlack setup instructions

Close

Get Real-Time CVE Alerts to Your Email

Be the first to know when new zero-days emerge