CVE-2026-15638

Cryptographic Padding Oracle

Published Sep 15, 2026 CVSS 4.0 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade to secret server version 12.2.7 or later.

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Cryptographic Padding Oracle
Weaknesses CWE-327
References
Metrics cvssV4_0

{'score': 9.1, 'vector': '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'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Delinea
Published
Updated
Sep 16, 2026, 7:36 PM
Reserved
Jul 13, 2026, 6:18 PM
Status
Awaiting Analysis
Published
Sep 16, 2026, 12:17 AM
Modified
Sep 18, 2026, 7:34 PM