HOMEVULNERABILITIESCVE-2026-34503
HIGH

CVE-2026-34503

CWE-613Published: March 31, 2026· Updated: Apr 2, 2026

8.1
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:8.0th

Official Description

OpenClaw before 2026.3.28 fails to disconnect active WebSocket sessions when devices are removed or tokens are revoked. Attackers with revoked credentials can maintain unauthorized access through existing live sessions until forced reconnection.

NVD Source

Technical Analysis

CVE-2026-34503 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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/7a801cc451e9e667b705eeccff651923a1b8c863
ADVISORYhttps://github.com/openclaw/openclaw/security/advisories/GHSA-2pr2-hcv6-7gwv
ADVISORYhttps://www.vulncheck.com/advisories/openclaw-incomplete-websocket-session-termination-on-device-removal-and-token-revocation

All References (3)

→
https://github.com/openclaw/openclaw/commit/7a801cc451e9e667b705eeccff651923a1b8c863Patch
→
https://github.com/openclaw/openclaw/security/advisories/GHSA-2pr2-hcv6-7gwvVendor Advisory
→
https://www.vulncheck.com/advisories/openclaw-incomplete-websocket-session-termination-on-device-removal-and-token-revocationThird Party Advisory

Quick Facts

CVE IDCVE-2026-34503
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-613
CISA KEVNo
EPSS (30d)0.03%
Affected1 vendor
PublishedMar 31, 2026

Related CVEs (CWE-613)

CVE-2026-26290
9.8
CVE-2026-27647
9.8
CVE-2025-59786
9.8
CVE-2026-1435
9.8
CVE-2026-26342
9.8
CVE-2026-8670
9.6

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-34503 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.
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