How severe is CVE-2026-48151?

CVE-2026-48151 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-48151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48151?

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

Does CVE-2026-48151 have an EU (EUVD) identifier?

Yes. CVE-2026-48151 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32589.

When was CVE-2026-48151 published?

CVE-2026-48151 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-48151

CVE-2026-48151 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32589
Weakness: CWE-862
Published: 2026-05-27
Last modified: 2026-06-17

Description

Budibase is an open-source low-code platform. Prior to 3.39.0, the webhook schema-building endpoint is registered under builderRoutes, but the generic authorization middleware skips authorization for all paths matching /api/webhooks/schema. As a result, an unauthenticated caller can update the body schema for a known webhook and mutate the corresponding automation trigger output schema. This vulnerability is fixed in 3.39.0.

Frequently asked questions

What is CVE-2026-48151?: Budibase is an open-source low-code platform. Prior to 3.39.0, the webhook schema-building endpoint is registered under builderRoutes, but the generic authorization middleware skips authorization for all paths matching /api/webhooks/schema. As a result, an unauthenticated caller can update the body schema for a known webhook and mutate the corresponding automation trigger output schema. This vulnerability is fixed in 3.39.0.
How severe is CVE-2026-48151?: CVE-2026-48151 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-48151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-48151?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-48151 have an EU (EUVD) identifier?: Yes. CVE-2026-48151 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32589.
When was CVE-2026-48151 published?: CVE-2026-48151 was published on 2026-05-27 and last updated on 2026-06-17.

References

https://github.com/Budibase/budibase/security/advisories/GHSA-qhv3-wjg8-6fx6

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