Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / npm/openclaw/CVE-2026-41343
Advisory ID gitlab/npm/openclaw/CVE-2026-41343
Aliases CVE-2026-41343
GHSA-qcc3-jqwp-5vh2
Summary OpenClaw: LINE webhook handler lacks shared pre-auth concurrency budget before signature verification LINE webhook handler lacks shared pre-auth concurrency budget before signature verification
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (4)
CWE-770 Allocation of Resources Without Limits or Throttling
CWE-799 Improper Control of Interaction Frequency
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/openclaw/CVE-2026-41343.yml
Reference id Reference type URL
https://github.com/openclaw/openclaw/commit/57c47d8c7fbf5a2e70cc4dec2380977968903cad
https://github.com/openclaw/openclaw/releases/tag/v2026.3.31
https://github.com/openclaw/openclaw/security/advisories/GHSA-qcc3-jqwp-5vh2
CVE-2026-41343 https://nvd.nist.gov/vuln/detail/CVE-2026-41343
GHSA-qcc3-jqwp-5vh2 https://github.com/advisories/GHSA-qcc3-jqwp-5vh2
openclaw-denial-of-service-via-line-webhook-handler-pre-auth-concurrency Advisory https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-line-webhook-handler-pre-auth-concurrency
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/openclaw/CVE-2026-41343.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-24T14:30:05Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/41xxx/CVE-2026-41343.json

Source Advisory: vulnrichment/CVE-2026-41343

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'yes'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]