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CVE-2026-30956: oneuptime before 10.0.21 (exclusive), < 10.0.21
CVE-2026-30956. CVSS 3.1 base score 9.9 (CRITICAL, Vendor/CNA). EPSS 0.00471 (percentile 0.38597), scored 2026-10-05.
Affected technology
oneuptime · before 10.0.21 (exclusive)
hackerbay
oneuptime · < 10.0.21
OneUptime
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
Privileged user can bypass authorization and tenant isolation in OneUptime v10.0.20 and earlier by sending a forged is-multi-tenant-query header together with a controlled projectid header. Vendor/CNA’s CVSS 3.1 assessment (base score 9.9/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-285, CWE-862
- CCR priority
- 39.7 /100 (P4)
- CVSS 3.1
- 9.9 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.00471 · percentile 0.38691 · 2026-10-06
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-07 11:53:15.413517+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-07 11:49:32.540646+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-30956.html