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Public proof of conceptFix available

CVE-2026-3689

A public proof of concept exists; no exploitation attested.

  • Published2026-04-11
  • Fixed in2026.2.21
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-04-1101:16CVE publishedNVD

Versions per branch

NVD · OSV
Openclaw
BranchAffectedFixed in
2026.2< 2026.2.212026.2.21

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As zdi, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • OpenClawother versions: unknown
    Affected
    • = openclaw 2026.2.17no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-04-11

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • openclawMinimOSall versions · fixed in 2026.2.21-r0

Full record on NVD

Fix

  1. Update Openclaw to 2026.2.21

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionpoc2026-04-13
  • CNACVSS 3.06.5known since 2026-10-23
  • CNAweakness (CWE)CWE-22known since 2026-10-23
  • FIRST EPSSEPSS score1.2 %2026-11-09
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2026-03-02

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
2026-04-11
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-jq4x-98m3-ggq6

Frequently asked questions

What is CVE-2026-3689?

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.

Is CVE-2026-3689 actively exploited?

A proof-of-concept exploit exists for CVE-2026-3689, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-3689?

CVE-2026-3689 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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