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CVE-2026-53849 OpenClaw CVE debrief

CVE-2026-53849 is a HIGH-severity vulnerability in OpenClaw, a software that failed to properly validate Discord account identities. The vulnerability exists in versions prior to 2026.5.7 and is caused by the allowFrom feature using mutable display names instead of immutable user IDs. This oversight allows attackers with Discord accounts to change their display name to match a policy entry and gain unauthorized agent access intended for another Discord identity.

Vendor
OpenClaw
Product
Unknown
CVSS
HIGH 8.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-18
Advisory published
2026-06-16
Advisory updated
2026-06-18

Who should care

Users of OpenClaw prior to version 2026.5.7 should apply the patch to prevent exploitation of this vulnerability.

Technical summary

The vulnerability has a CVSS score of 8.6 and is categorized under CWE-290. It can be exploited over the network with low attack complexity and privileges.

Defensive priority

HIGH

Recommended defensive actions

  • Upgrade OpenClaw to version 2026.5.7 or later.
  • Review and update allowFrom feature configurations to ensure proper validation of Discord account identities.

Evidence notes

Evidence of this vulnerability can be found at [ref-4](https://github.com/openclaw/openclaw/security/advisories/GHSA-cw4q-gqg5-g38h) and [ref-5](https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-mutable-discord-display-names-in-allowfrom).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53849 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53849

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-53849 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53849

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.