CVE-2026-8739

MEDIUM EPSS 19.9%

Published May 17, 20261mo ago · Modified Jun 17, 20261w ago

5.5 CVSS 4.0

Medium

Published May 17, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score

5.5

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

19.9% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-320

CWE-321

References 4

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.