CVE-2026-53864
Last modified
CVE-2026-53864 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. OpenClaw before 2026.5.26 contains an insufficient sanitization vulnerability in the host environment sanitizer that allows Node.js control variables to bypass validation. Attackers with access to workspace .env files, tool environment overrides, or skill environment blocks can pass malicious Node.js control variables to influence child processes or coverage output paths.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
OpenClaw before 2026.5.26 contains an insufficient sanitization vulnerability in the host environment sanitizer that allows Node.js control variables to bypass validation. Attackers with access to workspace .env files, tool environment overrides, or skill environment blocks can pass malicious Node.js control variables to influence child processes or coverage output paths.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Openclaw | Openclaw | < 2026.5.26 | — |
| Openclaw | Openclaw | 2026.5.26 | Beta1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-53864?
How severe is CVE-2026-53864?
How do I fix CVE-2026-53864?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-53859OpenClaw before 2026.5.26 contains a hostname validation vul…6.5
- CVE-2026-5386The affected KMW CCTV Security Cameras are vulnerable to a c…9.1
- CVE-2026-53860OpenClaw before 2026.5.7 contains a sender policy bypass vul…5.4
- CVE-2026-53861OpenClaw before 2026.5.6 contains an allowlist bypass vulner…9.8
- CVE-2026-53862OpenClaw before 2026.5.12 contains a bootstrap token replay …5.4
- CVE-2026-53863OpenClaw before 2026.4.25 contains an input validation vulne…6.5
- CVE-2026-53865OpenClaw before 2026.5.2 contains a path traversal vulnerabi…7.2
- CVE-2026-53866OpenClaw before 2026.5.12 contains an allowlist bypass vulne…8.1
- CVE-2026-53867Capgo before 12.128.2 fails to delete previously uploaded pr…5.3
- CVE-2026-53868Capgo before 12.128.2 contains a denial of service vulnerabi…8.7
- CVE-2026-53869Hermes Agent before 0.16.0 contains a DNS rebinding vulnerab…8.7
- CVE-2026-5387The vulnerability, if exploited, could allow an unauthentica…9.3
Are you affected by CVE-2026-53864?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST