CVE-2026-9498
CVE-2026-9498 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% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31733
- Weakness: CWE-791
- Published:
- Last modified:
Description
A vulnerability has been found in Dromara lamp-cloud up to 5.6.2. Impacted is the function GroovyClassLoader.parseClass of the component Message Template Handler. Such manipulation of the argument DefMsgTemplate.content leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public 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-2026-9498?
- A vulnerability has been found in Dromara lamp-cloud up to 5.6.2. Impacted is the function GroovyClassLoader.parseClass of the component Message Template Handler. Such manipulation of the argument DefMsgTemplate.content leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2026-9498?
- CVE-2026-9498 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-2026-9498 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-9498?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-9498 have an EU (EUVD) identifier?
- Yes. CVE-2026-9498 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31733.
- When was CVE-2026-9498 published?
- CVE-2026-9498 was published on 2026-05-25 and last updated on 2026-06-17.
References
- https://github.com/Ku4D3/bug_story/blob/main/report_02.md
- https://vuldb.com/submit/814103
- https://vuldb.com/vuln/365481
- https://vuldb.com/vuln/365481/cti
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