CVE-2026-1789
CVE-2026-1789 is a medium-severity vulnerability with a CVSS 3.x base score of 4.9. 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-807.
Key facts
- Severity: Medium (CVSS 3.x base score 4.9)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-25347
- Weakness: CWE-807
- Published:
- Last modified:
Description
A vulnerability in the browser-based remote management interface may allow an administrator to access sensitive information on the device via crafted requests, affecting certain production printers and office/small office multifunction printers.
Frequently asked questions
- What is CVE-2026-1789?
- A vulnerability in the browser-based remote management interface may allow an administrator to access sensitive information on the device via crafted requests, affecting certain production printers and office/small office multifunction printers.
- How severe is CVE-2026-1789?
- CVE-2026-1789 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-1789 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-2026-1789?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-1789 have an EU (EUVD) identifier?
- Yes. CVE-2026-1789 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25347.
- When was CVE-2026-1789 published?
- CVE-2026-1789 was published on 2026-04-24 and last updated on 2026-06-17.
References
- https://canon.jp/support/support-info/260423vulnerability-response
- https://psirt.canon/advisory-information/cp2026-003/
- https://www.canon-europe.com/support/product-security/
- https://www.usa.canon.com/about-us/to-our-customers/cpa2026-003-vulnerability-mitigation-remediation-for-production-printers-and-office-multifunction-printers
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