Publiccms
CVE-2026-3289
LOW
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 6.3 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via remote/network. Public exploit/POC available. |
| Exploit ScenarioDerived | A remote attacker could exploit this vulnerability to path traversal. |
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Alert meAnalysisAI
Path traversal in Sanluan PublicCMS 6.202506.d's Template Cache Generation component allows authenticated remote attackers to manipulate the saveMetadata function and access arbitrary files on the system. Public exploit code exists for this vulnerability, and no patch is currently available from the vendor who has not responded to disclosure attempts.
RemediationAI
Monitor vendor advisories for a patch. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-22 (Path Traversal). Affects Publiccms. A weakness has been identified in Sanluan PublicCMS 6.202506.d. This impacts the function saveMetadata of the file TemplateCacheComponent.java of the component Template Cache Generation. Executing a manipulation can lead to path traversal. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
4DescriptionCVE.org
A weakness has been identified in Sanluan PublicCMS 6.202506.d. This impacts the function saveMetadata of the file TemplateCacheComponent.java of the component Template Cache Generation. Executing a manipulation can lead to path traversal. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Executive ViewAI
Organizations using A weakness should be aware of moderate risk from CVE-2026-3289, a path traversal vulnerability rated CVSS 6.3. This could allow unauthorized file access. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict file access via WAF, implement allowlists.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
Affected Products (CPE)CVE.org
An arbitrary file upload vulnerability in the component /cms/CmsWebFileAdminController.java of PublicCMS v4.0.202406 all
Deserialization of Untrusted Data in PublicCMS v.4.0.202302.e allows a remote attacker to execute arbitrary code via a c
An issue in the BAT file parameters of PublicCMS v4.0 allows attackers to execute arbitrary code. Rated critical severit
A remote code execution issue was discovered in PublicCMS V4.0.20180210. Rated critical severity (CVSS 9.8), this vulner
PublicCMS V5.202506.b is vulnerable to SSRF. in the chat interface of SimpleAiAdminController.
PublicCMS V5.202506.b is vulnerable to Cross Site Request Forgery (CSRF) in the CkEditorAdminController.
PublicCMS v4.0.202302.e was discovered to contain a remote commande execution (RCE) vulnerability via the cmdarray param
An arbitrary file upload vulnerability in the component /admin/cmsTemplate/doUpload of PublicCMS v4.0.202302.e allows at
An arbitrary file upload vulnerability in the component /admin/cmsTemplate/savePlaceMetaData of Public CMS v.4.0.202302.
An arbitrary file upload vulnerability in the component /admin/cmsTemplate/savePlace of PublicCMS v4.0.202302.e allows a
An arbitrary file upload vulnerability in the component /admin/cmsTemplate/save of PublicCMS v4.0.202302.e allows attack
An arbitrary file upload vulnerability in the component /admin/cmsWebFile/save of PublicCMS v4.0.202302.e allows attacke
GitHub PoC
Exploit-DB