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TI-2026-05250 Aliases CVE-2026-5987GHSA-v5c9-pmxr-9vhc

Sanluan PublicCMS FreeMarker Template AbstractFreemarkerView.java…

Priority MEDIUM 56CWE-1336Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-1336.

Summary

A security vulnerability has been detected in Sanluan PublicCMS up to 6.202506.d. This affects the function AbstractFreemarkerView.doRender of the file publiccms-parent/publiccms-core/src/main/java/com/publiccms/common/base/AbstractFreemarkerView.java of the component FreeMarker Template Handler. Such manipulation leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00248 16th 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
No
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
SanluanPublicCMS4.0.202506.a; 4.0.202506.b; 5.202506.a; 5.202506.b; 5.202506.d; 6.202506.d—No fix listedCNA
  • PublicCMS VendorSanluan Affected 4.0.202506.a; 4.0.202506.b; 5.202506.a; 5.202506.b; 5.202506.d; 6.202506.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-2026-5987
  2. 2026-10-03 Alias added: GHSA-v5c9-pmxr-9vhc

References

Exploit 1

Other 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