CVE-2026-53806
Last modified
CVE-2026-53806 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. OpenClaw before 2026.5.12 contains a shell option parsing vulnerability that allows combined POSIX shell flags to bypass exec revalidation checks. Attackers can exploit this by using combined shell options to execute inline shell content without intended allowlist validation, potentially enabling unauthorized command execution when the affected feature is enabled.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
Description
OpenClaw before 2026.5.12 contains a shell option parsing vulnerability that allows combined POSIX shell flags to bypass exec revalidation checks. Attackers can exploit this by using combined shell options to execute inline shell content without intended allowlist validation, potentially enabling unauthorized command execution when the affected feature is enabled.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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 |
|---|---|---|
| Openclaw | Openclaw | < 2026.5.12 |
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-vxx3-6hc9-7cc3Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-53806?
How severe is CVE-2026-53806?
How do I fix CVE-2026-53806?
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-2026-53781Summarize before 0.17.0 contains a resource exhaustion vulne…5.3
- CVE-2026-53782Summarize before 0.17.0 contains a server-side request forge…7.4
- CVE-2026-53787Amasty Order Attributes for Magento 2 before version 4.0.0 c…9.8
- CVE-2026-5379An issue that allowed MCP agents to access certificate infor…3
- CVE-2026-5380An issue that could allow an authorized user to view the cle…5.3
- CVE-2026-53805NVIDIA Spatial Intelligence Lab's (SIL) GEN3C contains an un…9.8
- CVE-2026-53807OpenClaw before 2026.5.6 contains an authorization bypass vu…8.8
- CVE-2026-53808OpenClaw before 2026.5.6 contains an approval policy bypass …6.5
- CVE-2026-53809OpenClaw before 2026.4.25 contains a policy bypass vulnerabi…4.8
- CVE-2026-5381An issue that could expose task information outside of the a…2.2
- CVE-2026-53810OpenClaw before 2026.5.18 contains a code execution vulnerab…8.8
- CVE-2026-53811OpenClaw before 2026.5.7 contains a privilege escalation vul…8.8
Are you affected by CVE-2026-53806?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST