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PatchSiren cyber security CVE debrief

CVE-2026-53841 OpenClaw CVE debrief

CVE-2026-53841 is a low-severity cross-site scripting (XSS) vulnerability in OpenClaw before version 2026.5.12. The vulnerability occurs in exported session HTML, where unsafe javascript: and data: links are preserved, allowing attackers to execute browser-side scripts if a trusted operator opens the exported file and activates a malicious link.

Vendor
OpenClaw
Product
Unknown
CVSS
LOW 2.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-17
Advisory published
2026-06-16
Advisory updated
2026-06-17

Who should care

Users of OpenClaw before version 2026.5.12 should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability has a CVSS score of 2.1 and is classified as low severity. It requires user interaction to exploit and can result in limited impact, including confidentiality and integrity losses.

Defensive priority

Low

Recommended defensive actions

  • Update OpenClaw to version 2026.5.12 or later.
  • Be cautious when opening exported session HTML files from untrusted sources.
  • Use a web browser with built-in XSS protection features.

Evidence notes

The CVE record was published on [cve-org] and additional details can be found on [nvd].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53841 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53841

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

  • CVE-2026-53841 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53841

    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.