Search/CVE-2026-41343
● CVE — Medium

CVE-2026-41343

VendoropenclawProductopenclawDiscoveredApr 23, 2026UpdatedApr 28, 2026

OpenClaw before 2026.3.31 lacks a shared pre-auth concurrency budget on the public LINE webhook path, allowing attackers to cause transient availability loss. Remote attackers can flood the webhook endpoint with concurrent requests before signature verification to exhaust resources and degrade service availability.

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CVSS v3.1
5.3 MEDIUM
EPSS
0.46%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Sep 25, 2026 → Oct 26, 2026
▼ 0.35pp
0.81% → 0.46% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityLOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Connections
2 relationships
Timeline
disclosure → media coverage
Apr 23, 2026
Disclosure — published as a CVE record. · last revised by NVD Apr 28, 2026