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OneUptime is Vulnerable to Privilege Escalation via Login Response Manipulation

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2025-66028

Published

OneUptime is a solution for monitoring and managing online services. Prior to version 8.0.5567, OneUptime is vulnerable to privilege escalation via Login Response Manipulation. During the login process, the server response included a parameter called isMasterAdmin. By intercepting and modifying this parameter value from false to true, it is possible to gain access to the admin dashboard interface. However, an attacker may be unable to view or interact with the data if they still do not have sufficient permissions. This issue has been patched in version 8.0.5567.

Source published
26 Nov 2025 18:11:49 UTC
Source modified
26 Nov 2025 18:37:01 UTC
Observed here
23 Oct 2026 15:48:27 UTC
Source terms
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CVSS 4.0 · 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

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Sources read 9 Nov 06:36 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current