CVE-2026-35656
Last modified
CVE-2026-35656 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. OpenClaw before 2026.3.22 contains an authentication bypass vulnerability in the X-Forwarded-For header processing when trustedProxies is configured, allowing attackers to spoof loopback hops. Remote attackers can inject forged forwarding headers to bypass canvas authentication and rate-limiting protections by masquerading as loopback clients.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
OpenClaw before 2026.3.22 contains an authentication bypass vulnerability in the X-Forwarded-For header processing when trustedProxies is configured, allowing attackers to spoof loopback hops. Remote attackers can inject forged forwarding headers to bypass canvas authentication and rate-limiting protections by masquerading as loopback clients.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/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 |
|---|---|---|
| Openclaw | Openclaw | < 2026.3.22 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-35656?
How severe is CVE-2026-35656?
How do I fix CVE-2026-35656?
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- 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-2026-35650OpenClaw before 2026.3.22 contains an environment variable o…8.8
- CVE-2026-35651OpenClaw versions 2026.2.13 through 2026.3.24 contain an ANS…5.3
- CVE-2026-35652OpenClaw before 2026.3.22 contains an authorization bypass v…9.1
- CVE-2026-35653OpenClaw before 2026.3.24 contains an incorrect authorizatio…8.1
- CVE-2026-35654OpenClaw before 2026.3.25 contains an authorization bypass v…6.9
- CVE-2026-35655OpenClaw before 2026.3.22 contains an identity spoofing vuln…6.9
- CVE-2026-35657OpenClaw before 2026.3.25 contains an authorization bypass v…7.1
- CVE-2026-35658OpenClaw before 2026.3.2 contains a filesystem boundary bypa…6.5
- CVE-2026-35659OpenClaw before 2026.3.22 contains a service discovery vulne…6.3
- CVE-2026-3566Rejected reason: After further discussion, the issue was det…
- CVE-2026-35660OpenClaw before 2026.3.23 contains an insufficient access co…8.1
- CVE-2026-35661OpenClaw before 2026.3.25 contains an authorization bypass v…6.9
Are you affected by CVE-2026-35656?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST