How severe is CVE-2026-45102?

CVE-2026-45102 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-45102 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-45102?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-45102 have an EU (EUVD) identifier?

Yes. CVE-2026-45102 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32632.

When was CVE-2026-45102 published?

CVE-2026-45102 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-45102

CVE-2026-45102 is a critical-severity vulnerability with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32632
Weakness: CWE-693
Published: 2026-05-27
Last modified: 2026-06-17

Description

OneUptime is an open-source monitoring and observability platform. Prior to 10.0.98, OneUptime uses the Node.js' vm module as an isolation primitive. This API was not designed for that and can be escaped via error objects and infinite recursion. This vulnerability is fixed in 10.0.98.

Frequently asked questions

What is CVE-2026-45102?: OneUptime is an open-source monitoring and observability platform. Prior to 10.0.98, OneUptime uses the Node.js' vm module as an isolation primitive. This API was not designed for that and can be escaped via error objects and infinite recursion. This vulnerability is fixed in 10.0.98.
How severe is CVE-2026-45102?: CVE-2026-45102 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-45102 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-45102?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-45102 have an EU (EUVD) identifier?: Yes. CVE-2026-45102 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32632.
When was CVE-2026-45102 published?: CVE-2026-45102 was published on 2026-05-27 and last updated on 2026-06-17.

References

https://github.com/OneUptime/oneuptime/security/advisories/GHSA-g9cp-35m2-fjv6

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