How severe is CVE-2026-56809?

CVE-2026-56809 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-56809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-56809?

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

When was CVE-2026-56809 published?

CVE-2026-56809 was published on 2026-06-30.

CVE-2026-56809

CVE-2026-56809 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Published: 2026-06-30
Last modified: 2026-06-30

Description

Multiple laser printers and MFPs (multifunction printers) which implement Ricoh Web Image Monitor contain a reflected cross-site scripting vulnerability. An arbitrary script may be executed on the web browser of the user who accesses Web Image Monitor.

Frequently asked questions

What is CVE-2026-56809?: Multiple laser printers and MFPs (multifunction printers) which implement Ricoh Web Image Monitor contain a reflected cross-site scripting vulnerability. An arbitrary script may be executed on the web browser of the user who accesses Web Image Monitor.
How severe is CVE-2026-56809?: CVE-2026-56809 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-56809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-56809?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-56809 published?: CVE-2026-56809 was published on 2026-06-30.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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