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CVE-2026-3689· NVD / CVE Program· CNA zdi

OpenClaw Canvas Path Traversal Information Disclosure Vulnerability

Noroxi assessment

Priority: Monitor (action score 26/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.95% (FIRST EPSS); higher than 61.1% of all records.
  • Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: openclaw (npm) 2026.2.21.

Low priority for now. Upgrade to openclaw (npm) 2026.2.21 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

OpenClaw Canvas Path Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of OpenClaw. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the path parameters provided to the canvas gateway endpoint. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of the service account. Was ZDI-CAN-29312.

MediumCVSS 6.5 · v3.0—No exploit Fix available
Published
Apr 10, 2026
Updated
Jun 17, 2026
EPSS
0.9% · 61th percentile

Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · zdi
6.5
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
openclawopenclaw

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • openclaw openclawbefore 2026.2.21

Versions reported by the vendor

Affected version ranges reported by the assigning authority (zdi). Independent of NVD's CPE analysis and usually ahead of it.

  • OpenClaw OpenClaw

    • openclaw 2026.2.17affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
npmopenclawbefore 2026.2.212026.2.21

Same product

openclaw: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-25253OpenClaw (aka clawdbot or Moltbot) before 2026.1.29 obtains a gatewayUrl value from a query string and automatically makes a WebSocket conne
    42Plan
  • CVE-2026-30741A remote code execution (RCE) vulnerability in OpenClaw Agent Platform v2026.2.6 allows attackers to execute arbitrary code via a Request-Si
    39Monitor
  • CVE-2026-43534OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events
    37Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2026-35669Apr 10, 2026 · OpenClaw < 2026.3.25 - Privilege Escalation via Gateway Plugin HTTP Authentication Scope
    34Monitor
  • ← EarlierCVE-2026-35670Apr 10, 2026 · OpenClaw < 2026.3.22 - Webhook Reply Rebinding via Username Resolution in Synology Chat
    24Monitor
  • Later →CVE-2026-3690Apr 10, 2026 · OpenClaw Canvas Authentication Bypass Vulnerability
    29Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
npm:openclaw2026.2.21Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-2217124 days apartOpenClaw < 2026.2.19 - Path Traversal in Feishu Media Temporary File Naming
    35Monitor
  • CVE-2026-3284615 days apartOpenClaw < 2026.3.28 Media Parsing Path Traversal to Arbitrary File Read
    34Monitor
  • CVE-2026-3206030 days apartOpenClaw < 2026.2.14 - Path Traversal in apply_patch via Crafted Paths
    34Monitor
  • CVE-2026-2846236 days apartOpenClaw < 2026.2.13 - Path Traversal in Trace and Download Output Paths
    34Monitor
  • CVE-2026-2839336 days apartOpenClaw 2.0.0-beta3 < 2026.2.14 - Arbitrary JavaScript Module Loading via Hook Transform Path Traversal
    33Monitor
  • CVE-2026-2848236 days apartOpenClaw < 2026.2.12 - Path Traversal via Unsanitized sessionId and sessionFile Parameters
    33Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

  • CVE-2026-36900 days apartOpenClaw Canvas Authentication Bypass Vulnerability
    29Monitor
  • CVE-2026-356470 days apartOpenClaw < 2026.3.25 - Direct Message Policy Bypass via Verification Notices
    27Monitor
  • CVE-2026-356540 days apartOpenClaw < 2026.3.25 - Authorization Bypass in Microsoft Teams Feedback Invoke
    27Monitor
  • CVE-2026-356610 days apartOpenClaw < 2026.3.25 - Telegram DM-Scoped Inline Button Callback Authorization Bypass
    27Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

nvd-secondary

Root cause

A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.

The bug in code

The whole CWE-22 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const file = path.join(ROOT, req.query.name);res.sendFile(file);

Fixed

ts
const file = path.resolve(ROOT, req.query.name);if (!file.startsWith(ROOT + path.sep)) {  return res.sendStatus(400);}res.sendFile(file);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

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