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TI-2026-13156 Aliases CVE-2026-15638GHSA-grw7-x4gw-45r5

Cryptographic Padding Oracle

Priority MEDIUM 41CWE-327Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
Present
Impact type
Information disclosure
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-327.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00219 12th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DelineaSecret Server (On-Prem)10.5.1 – 12.1.3—No fix listedCNA
  • Secret Server (On-Prem) VendorDelinea Affected 10.5.1 – 12.1.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15638
  2. 2026-10-03 Alias added: GHSA-grw7-x4gw-45r5

References

Advisory 1

  • TI-2024-22363 Delinea Secret Server before 11.7.000001 allows attackers to bypass authentication via… CVSS 3.1HIGH 8.8
  • TI-2024-11959 Code injection in Delinea Secret Server CVSS 3.1HIGH 8.3
  • TI-2024-16879 User enumeration can occur in the Authentication REST API in Delinea PAM Secret Server… CVSS 3.1MEDIUM 5.3
  • TI-2024-16877 In Delinea PAM Secret Server 11.4, it is possible for an attacker (with Administrator… CVSS 3.1MEDIUM 6.7
  • TI-2025-11733 Failure in Password Rotation and Check-in Mechanism in Secret Server Allows Reuse of Credentials CVSS 4.0MEDIUM 5.3
  • TI-2024-16881 Broken Access Control in the Report functionality of Delinea PAM Secret Server 11.4… CVSS 3.1MEDIUM 4.3
See all 25 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences