Oneuptime
CVE-2026-30959
MEDIUM
GHSA-cw6x-mw64-q6pv
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization verification
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 5.0 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitation requires authentication. Public exploit/POC available. |
| Exploit ScenarioDerived | An attacker (requires authentication) could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
OneUptime's resend-verification-code endpoint fails to validate user ownership of WhatsApp records, allowing any authenticated attacker to trigger verification code resends for arbitrary users. Public exploit code exists for this vulnerability, which could enable account enumeration or facilitate phishing attacks against other users. The vulnerability affects the UserWhatsAppAPI and UserWhatsAppService components with no patch currently available.
Earlier versions of this analysis (1)
OneUptime is a solution for monitoring and managing online services. The resend-verification-code endpoint allows any authenticated user to trigger a verification code resend for any UserWhatsApp record by ID. [CVSS 5.0 MEDIUM]
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-285 (Improper Authorization). Affects Oneuptime. OneUptime is a solution for monitoring and managing online services. The resend-verification-code endpoint allows any authenticated user to trigger a verification code resend for any UserWhatsApp record by ID. Ownership is not validated (unlike the verify endpoint). This affects the UserWhatsAppAPI.ts endpoint and the UserWhatsAppService.ts service.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
Primary rating from Vendor (github) · only source for this CVE.
CVSS VectorVendor: github
Lifecycle Timeline
4DescriptionCVE.org
OneUptime is a solution for monitoring and managing online services. The resend-verification-code endpoint allows any authenticated user to trigger a verification code resend for any UserWhatsApp record by ID. Ownership is not validated (unlike the verify endpoint). This affects the UserWhatsAppAPI.ts endpoint and the UserWhatsAppService.ts service.
Executive ViewAI
Organizations using OneUptime should be aware of moderate risk from CVE-2026-30959 rated CVSS 5.0. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
OS command injection in OneUptime monitoring platform before 10.0.7. Authenticated users can execute arbitrary commands
OneUptime prior to 10.0.21 has a fourth vulnerability in Synthetic monitoring exposing dangerous functionality.
Code injection in OneUptime monitoring via custom JS monitor using vm module. PoC and patch available.
OneUptime monitoring platform prior to 10.0.18 allows code injection (CVSS 9.9) enabling RCE through the monitoring conf
OneUptime prior to 10.0.21 has a third authorization bypass enabling low-privileged users to access admin functions.
OneUptime prior to 10.0.20 exposes dangerous functionality in Synthetic monitoring that enables code execution.
OneUptime is a solution for monitoring and managing online services. Rated high severity (CVSS 8.8), this vulnerability
Unauthenticated path traversal in OneUptime prior to 10.0.21 lets remote attackers read arbitrary files from the server
OneUptime versions prior to 10.0.19 allow unauthenticated attackers to hijack GitHub App integrations across projects by
OneUptime is a solution for monitoring and managing online services. Rated high severity (CVSS 8.3), this vulnerability
OneUptime versions 10.0.11 and earlier contain an improper WebAuthn implementation where server-side challenge validatio
OneUptime is a solution for monitoring and managing online services. Rated medium severity (CVSS 6.9), this vulnerabilit
Exploit-DB