Critical severity · published Feb 27, 2026
CVE-2026-3289
Sanluan PublicCMS Template Cache Generation TemplateCacheComponent.java saveMetadata path traversal
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PU
PublicCMS · Sanluan
6.202506.d · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3289
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3289
Permissions Required
https://vuldb.com/?ctiid.348017
Third Party Advisory
https://vuldb.com/?id.348017
Third Party Advisory
https://vuldb.com/?submit.759109
Exploit
https://www.yuque.com/la12138/pa2fpb/wdggytgi4vhl93zd?singleDoc
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