CVE-2026-15638

9.1 criticalEPSS 0.2%

Critical (9.1). EPSS 0.2% chance of exploitation in the next 30 days.

An unauthenticated user with access to Secret Server could leverage a padding oracle to decrypt or encrypt data using one of the server's cryptographic keys. The key itself is not exposed.

Severity

CVSS 4.0

9.1 critical

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWE: CWE-327
Published: 2026-09-16
Modified: 2026-09-18
Record from: the NVD, synced 2026-10-19

References

https://delinea.com/security-advisories

Check your stack JSON