What is CVE-2026-30957?

CVE-2026-30957 is a critical-severity vulnerability in Oneuptime, classified under CWE-749. CVSS score: 10.0/10. Published 2026-03-10.

How severe is CVE-2026-30957?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Oneuptime

CVE-2026-30957

OneUptime is a solution for monitoring and managing online services. Prior to 10.0.21, OneUptime Synthetic Monitors allow a low-privileged authenticated project user to execute arbitrary commands on the oneuptime-probe server/container. Th…

EPSS: 0.001 (29.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Oneuptime — versions < 10.0.21

Weakness classification (CWE)

CWE-749

References

https://github.com/OneUptime/oneuptime/security/advisories/GHSA-jw8q-gjvg-8w4q (x_refsource_CONFIRM)
https://github.com/OneUptime/oneuptime/releases/tag/10.0.21 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-30957?: CVE-2026-30957 is a critical-severity vulnerability in Oneuptime, classified under CWE-749. CVSS score: 10.0/10. Published 2026-03-10.
How severe is CVE-2026-30957?: Critical severity. CVSS v3 base score is 10.0 out of 10.