CVE-2026-8740
CVE-2026-8740 is a medium-severity vulnerability 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-791.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (14th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-30689
- Weakness: CWE-791
- Published:
- Last modified:
Description
A flaw has been found in Sanluan PublicCMS 5.202506.d. The impacted element is the function execute of the file publiccms-core/src/main/java/com/publiccms/views/directive/tools/TemplateResultDirective.java of the component templateResult API. This manipulation of the argument templateContent causes improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Frequently asked questions
- What is CVE-2026-8740?
- A flaw has been found in Sanluan PublicCMS 5.202506.d. The impacted element is the function execute of the file publiccms-core/src/main/java/com/publiccms/views/directive/tools/TemplateResultDirective.java of the component templateResult API. This manipulation of the argument templateContent causes improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2026-8740?
- CVE-2026-8740 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-2026-8740 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-8740?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-8740 have an EU (EUVD) identifier?
- Yes. CVE-2026-8740 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30689.
- When was CVE-2026-8740 published?
- CVE-2026-8740 was published on 2026-05-17 and last updated on 2026-06-17.
References
- https://vuldb.com/submit/809932
- https://vuldb.com/vuln/364328
- https://vuldb.com/vuln/364328/cti
- https://vulnplus-note.wetolink.com/share/ILcCnOvJ1fMc
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