Is io.unitycatalog:unitycatalog-server affected by CVE-2026-27478?

Maven io.unitycatalog:unitycatalog-server is affected in <0.4.1.

Is CVE-2026-27478 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

critical

CVE-2026-27478

Q: Is CVE-2026-27478 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

Maven · io.unitycatalog:unitycatalog-server

Summary

Unity Catalog has a JWT Issuer Validation Bypass tht Allows Complete User Impersonation

Severity: critical
EPSS: 0.2% (p8)
Also known as: GHSA-qqcj-rghw-829x
Published: 2026-05-11

References

https://github.com/unitycatalog/unitycatalog/security/advisories/GHSA-qqcj-rghw-829x
https://nvd.nist.gov/vuln/detail/CVE-2026-27478
https://github.com/unitycatalog/unitycatalog

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.