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TI-2026-07681 Aliases CVE-2026-8739GHSA-2352-54f8-q7h5

Sanluan PublicCMS SafeConfigComponent.java getSignKey hard-coded key

Priority HIGH 70CWE-320Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-321.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00281 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SanluanPublicCMS5.202506.d—No fix listedCNA
  • PublicCMS VendorSanluan Affected 5.202506.d Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:publiccms:publiccms:*:*:*:*:*:*:*:*——Sanluan
  • cpe:2.3:a:publiccms:publiccms:*:*:*:*:*:*:*:* Versions — — ·Sanluan

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8739
  2. 2026-10-03 Alias added: GHSA-2352-54f8-q7h5

References

Exploit 1

  • TI-2025-18979 An arbitrary file upload vulnerability in the component… CVSS 3.1CRITICAL 9.8
  • TI-2023-17417 PublicCMS <=V4.0.202302 is vulnerable to Insecure Permissions. CVSS 3.1CRITICAL 9.8
  • TI-2020-13943 SQL Injection vulnerability found in PublicCMS v.4.0 allows a remote attacker to execute… CVSS 3.1CRITICAL 9.8
  • TI-2020-13942 SQL Injection vulnerability found in San Luan PublicCMS v.4.0 allows a remote attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2025-40474 PublicCMS V5.202506.b is vulnerable to SSRF. CVSS 3.1CRITICAL 9.1
  • TI-2025-35555 OS Command injection vulnerability in PublicCMS PublicCMS-V5.202506.a, and… CVSS 3.1HIGH 8.2
See all 57 →

Sources

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