HOMEVULNERABILITIESCVE-2026-40045
MEDIUM

CVE-2026-40045

CWE-319Published: April 21, 2026· Updated: Apr 24, 2026

5.7
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:0.8th

Official Description

OpenClaw before 2026.4.2 accepts non-loopback cleartext ws:// gateway endpoints and transmits stored gateway credentials over unencrypted connections. Attackers can forge discovery results or craft setup codes to redirect clients to malicious endpoints, disclosing plaintext gateway credentials.

NVD Source

Technical Analysis

CVE-2026-40045 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.7.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected Vendors & Products

openclaw1 product
openclaw
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/openclaw/openclaw/commit/a941a4fef9bc43b2973c92d0dcff5b8a426210c5
ADVISORYhttps://github.com/openclaw/openclaw/security/advisories/GHSA-83f3-hh45-vfw9
ADVISORYhttps://www.vulncheck.com/advisories/openclaw-cleartext-credential-transmission-via-unencrypted-websocket-gateway-endpoints

All References (3)

→
https://github.com/openclaw/openclaw/commit/a941a4fef9bc43b2973c92d0dcff5b8a426210c5Patch
→
https://github.com/openclaw/openclaw/security/advisories/GHSA-83f3-hh45-vfw9Vendor Advisory
→
https://www.vulncheck.com/advisories/openclaw-cleartext-credential-transmission-via-unencrypted-websocket-gateway-endpointsThird Party Advisory

Quick Facts

CVE IDCVE-2026-40045
CVSS Score5.7 / 10
SeverityMEDIUM
WeaknessCWE-319
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedApr 21, 2026

Related CVEs (CWE-319)

CVE-2026-24212
9.8
CVE-2025-59852
9.1
CVE-2026-44726
9.1
CVE-2026-24060
9.1
CVE-2026-42514
8.8
CVE-2026-45432
8.7

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-40045 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2026-40045·NVD