How severe is CVE-2026-53927?

CVE-2026-53927 has a CVSS 4.0 base score of 5.1, rated medium severity.

Is CVE-2026-53927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-53927?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-53927 have an EU (EUVD) identifier?

Yes. CVE-2026-53927 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38609.

When was CVE-2026-53927 published?

CVE-2026-53927 was published on 2026-06-23 and last updated on 2026-06-25.

CVE-2026-53927

CVE-2026-53927 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. 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-918.

Key facts

Severity: Medium (CVSS 4.0 base score 5.1)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38609
Weakness: CWE-918
Published: 2026-06-23
Last modified: 2026-06-25

Description

NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the spreadsheet-fetch endpoint (axiosRequestMake) accepted URLs whose path contained a permitted extension anywhere in the string, and applied a hand-rolled regex blocklist that omitted 127.0.0.0/8 and 169.254.0.0/16, allowing the cloud-metadata endpoint to be reached with a crafted URL This vulnerability is fixed in 2026.05.1.

Frequently asked questions

What is CVE-2026-53927?: NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the spreadsheet-fetch endpoint (axiosRequestMake) accepted URLs whose path contained a permitted extension anywhere in the string, and applied a hand-rolled regex blocklist that omitted 127.0.0.0/8 and 169.254.0.0/16, allowing the cloud-metadata endpoint to be reached with a crafted URL This vulnerability is fixed in 2026.05.1.
How severe is CVE-2026-53927?: CVE-2026-53927 has a CVSS 4.0 base score of 5.1, rated medium severity.
Is CVE-2026-53927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-53927?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-53927 have an EU (EUVD) identifier?: Yes. CVE-2026-53927 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38609.
When was CVE-2026-53927 published?: CVE-2026-53927 was published on 2026-06-23 and last updated on 2026-06-25.

References

https://github.com/nocodb/nocodb/security/advisories/GHSA-gprh-27j3-g5h4

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