Which versions of Java are affected by CVE-2026-3289?

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.

Is there a public PoC exploit available for CVE-2026-3289?

Yes, a public proof-of-concept exploit is available for CVE-2026-3289. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-3289?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.

Java CVE-2026-3289

Q: What is the CVSS score of CVE-2026-3289?

CVE-2026-3289 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

LOW

Path Traversal (CWE-22)

2026-02-27 cna@vuldb.com

Java Path Traversal Publiccms

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Mar 02, 2026 - 15:19 vuln.today

Public exploit code

CVE Published

Feb 27, 2026 - 05:18 nvd

MEDIUM 6.3

DescriptionCVE.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.

AnalysisAI

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.

Technical ContextAI

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.

RemediationAI

Monitor vendor advisories for a patch. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.