CVE-2026-15638
Cryptographic Padding Oracle
- State
- Published
- Severity
- 9.1 Critical
- Published
- Sep 15, 2026
- Updated
- Sep 16, 2026
- Reserved
- Jul 13, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 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 | Delinea |
Weaknesses
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Affected Products
| Product | Versions |
|---|---|
Secret Server (On-Prem)Delinea |
|
References
- https://delinea.com/security-advisoriesvendor-advisory
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