Medium severity · published Mar 10, 2026
CVE-2026-30959
OneUptime has WhatsApp Resend Verification Authorization Bypass
5.0
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ON
oneuptime · OneUptime
< 10.0.21 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-30959
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-30959
Product
https://github.com/OneUptime/oneuptime/releases/tag/10.0.21
Exploit
https://github.com/OneUptime/oneuptime/security/advisories/GHSA-cw6x-mw64-q6pv
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