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TI-2026-21928 Aliases CVE-2026-27524GHSA-62f6-mrcj-v8h5

OpenClaw < 2026.2.21 - Prototype Pollution via Debug Override Path

Priority LOW 12CWE-1321Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.

Summary

OpenClaw versions prior to 2026.2.21 accept prototype-reserved keys in runtime /debug set override object values, allowing prototype pollution attacks. Authorized /debug set callers can inject __proto__, constructor, or prototype keys to manipulate object prototypes and bypass command gate restrictions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Fix Fixed OpenClaw (OpenClaw): 2026.2.21openclaw (npm): 2026.2.21

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenClawOpenClawbefore 2026.2.212026.2.21Patch availableCNA
—openclaw (npm)before 2026.2.212026.2.21Patch availableGHSA-62f6-mrcj-v8h5
  • OpenClaw VendorOpenClaw Affected before 2026.2.21 Fixed in 2026.2.21 Patch available CNA
  • openclaw (npm) Vendor— Affected before 2026.2.21 Fixed in 2026.2.21 Patch available GHSA-62f6-mrcj-v8h5

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*before 2026.2.21VulnerableOpenClaw
  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* Versions before 2026.2.21 Vulnerable ·OpenClaw

Remediation

  • Fix · CNA OpenClaw (OpenClaw) Fixed in 2026.2.21
  • Fix · GHSA-62f6-mrcj-v8h5 openclaw (npm) Fixed in 2026.2.21 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    OpenClaw 2026.2.21

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-17779 OpenClaw < 2026.2.21 - Command Injection via cmd.exe /c Trailing Arguments in system.runPriority LOW 32
    • TI-2026-17787 OpenClaw < 2026.2.21 - Environment Variable Injection via Config env.varsPriority LOW 31
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-27524
  2. 2026-10-03 Alias added: GHSA-62f6-mrcj-v8h5

References

Patch 1

Advisory 2

Other 1

  • TI-2026-25309 OpenClaw < 2026.3.28 Media Parsing Path Traversal to Arbitrary File Read CVSS 4.0HIGH 8.7
  • TI-2026-20394 Exposure of resource to wrong sphere in OpenClaw CVSS 3.1HIGH 8.8
  • TI-2026-27742 OpenClaw < 2026.3.24 - Arbitrary Code Execution via .npmrc in Local Plugin/Hook Installation CVSS 4.0HIGH 8.4
  • TI-2026-27766 OpenClaw < 2026.3.24 - Denial of Service via Feishu Webhook Pre-Auth Body Parsing CVSS 4.0MEDIUM 6.9
  • TI-2026-07315 OpenClaw bluebubbles Webhook monitor.ts handleBlueBubblesWebhookRequest improper authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-17789 OpenClaw < 2026.2.22 - Allowlist Bypass via Command Substitution in system.run CVSS 4.0HIGH 7.5
See all 574 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences