CVE-2026-8739

A vulnerability was detected in Sanluan PublicCMS 5.202506.d. The affected element is the function getSignKey of the file publiccms-core/src/main/java/com/publiccms/logic/component/config/SafeConfigComponent.java. The manipulation of the argument privatefile_key results in use of hard-coded cryptographic key . The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://vuldb.com/submit/809917
https://vuldb.com/vuln/364327
https://vuldb.com/vuln/364327/cti
https://vulnplus-note.wetolink.com/share/PCVUlOncmwTC

Configurations

No configuration.

History

26 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad fue detectada en Sanluan PublicCMS 5.202506.d. El elemento afectado es la función getSignKey del archivo publiccms-core/src/main/java/com/publiccms/logic/component/config/SafeConfigComponent.java. La manipulación del argumento privatefile_key resulta en el uso de una clave criptográfica codificada de forma rígida. El ataque puede ser ejecutado remotamente. El exploit ahora es público y puede ser utilizado. El proveedor fue contactado con antelación sobre esta divulgación, pero no respondió de ninguna manera.

Information

Published : 2026-05-17 08:16

Updated : 2026-10-26 13:10

NVD link : CVE-2026-8739

Mitre link : CVE-2026-8739

CVE.ORG link : CVE-2026-8739

JSON object : View

Products Affected

No product.

CWE

CWE-320

Key Management Errors

CWE-321

Use of Hard-coded Cryptographic Key

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