CVE-2026-8739CWE-321

Sanluan PublicCMS SafeConfigComponent.java getSignKey hard-coded key

Medium · published May 17, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
39.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
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
EPSS
0.00462 · 39.0th percentile
Weakness
CWE-321 · Use of Hard-coded Cryptographic Key
Published
2026-05-17T07:45Z
EPSS history
Timeline
  • 17 MAY 07:45Z
    Sanluan PublicCMS SafeConfigComponent.java getSignKey hard-coded key
    cvelistv5