CVE-2026-8739
Sanluan PublicCMS SafeConfigComponent.java getSignKey hard-coded key
- State
- Published
- Severity
- 6.9 Medium
- Published
- May 17, 2026
- Updated
- May 18, 2026
- Reserved
- May 16, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
PublicCMSSanluan |
|
References
- VDB-364327 | Sanluan PublicCMS SafeConfigComponent.java getSignKey hard-coded keyvdb-entrytechnical-description
- VDB-364327 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #809917 | PublicCMS V5.202506.d Anonymous Private File Downloadthird-party-advisory
- https://vulnplus-note.wetolink.com/share/PCVUlOncmwTCexploit
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