OpenClaw: Insufficient Verification of Data Authenticity
CVE-2026-62215 is a high-severity insufficient verification of data authenticity vulnerability in OpenClaw, with a CVSS 3.1 base score of 8.0 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, but only if a user takes part, for example by opening a link or file. The record lists version 2026.6.5 as the first without the flaw, so updating OpenClaw to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.25% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update OpenClaw to 2026.6.5 or a later version.
- Read the advisory on github.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
- Because the attack needs a user to take part, warn users about unexpected links and files related to this product until it is patched.
Affected products and versions
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- RequiredA user must take an action such as opening a file or link.
- Scope
- ChangedThe attack can reach beyond the vulnerable component into other systems.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N. Scored by CNA (vulncheck.com).
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 5.1 | Medium | CNA (vulncheck.com) |
| CVSS 3.1 | 8.0 | High | CNA (vulncheck.com) |
Official description
OpenClaw versions before 2026.6.5 contain an authentication bypass vulnerability in HTTP Canvas responses that allows lower-trust callers to forge trusted A2UI actions. Attackers can perform actions requiring stronger authorization by submitting crafted requests through configured input paths, bypassing intended policy checks.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
More Insufficient Verification of Data Authenticity vulnerabilities (CWE-345)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Third-party and government advisories
- vulncheck.com/advisories/openclaw-authentication-bypass-via-http-canvasThird Party Advisory
Other vulnerabilities in OpenClaw
- 8.8 High severity
- 7.1 High severity
- 7.8 High severity
- 8.8 High severity
- 8.3 High severity
- 8.3 High severity
Recent Insufficient Verification of Data Authenticity vulnerabilities
- 7.1 High severity
- 9.3 Critical severity
- 7.5 High severity
- 8.1 High severity
- 7.7 High severity
- 9.1 Critical severity
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