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Vulnerability record · CVE-2026-30959 · published 10 March 2026

CVE-2026-30959: Hackerbay oneuptime improper authorization vulnerability

Hackerbay · 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.

5.3 CVSS 4.0 Medium EPSS 0.37% · top 71.5% CWE-285 · Improper authorizationCWE-307 · Improper restriction of authentication attempts
5.3CVSS 4.0 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
7 Oct 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/OneUptime/oneuptime/releases/tag/10.0.21 ProductRelease Notes
https://github.com/OneUptime/oneuptime/security/advisories/GHSA-cw6x-mw64-q6pv ExploitMitigationVendor Advisory
https://github.com/OneUptime/oneuptime/security/advisories/GHSA-cw6x-mw64-q6pv ExploitMitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-30959), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.