How severe is CVE-2026-3289?

CVE-2026-3289 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-3289 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3289?

CVE-2026-3289 affects Publiccms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3289?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3289 have an EU (EUVD) identifier?

Yes. CVE-2026-3289 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8997.

When was CVE-2026-3289 published?

CVE-2026-3289 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-3289

CVE-2026-3289 is a medium-severity vulnerability in Publiccms with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8997
Weakness: CWE-22
Affected product: Publiccms
Published: 2026-02-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-3289?: 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.
How severe is CVE-2026-3289?: CVE-2026-3289 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-3289 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3289?: CVE-2026-3289 affects Publiccms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3289?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3289 have an EU (EUVD) identifier?: Yes. CVE-2026-3289 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8997.
When was CVE-2026-3289 published?: CVE-2026-3289 was published on 2026-02-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:publiccms:publiccms:6.202506.d:*:*:*:*:*:*:*

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