How severe is CVE-2026-25916?

CVE-2026-25916 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-25916 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-25916?

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

Does CVE-2026-25916 have an EU (EUVD) identifier?

Yes. CVE-2026-25916 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6937.

When was CVE-2026-25916 published?

CVE-2026-25916 was published on 2026-02-09 and last updated on 2026-06-17.

CVE-2026-25916

CVE-2026-25916 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-420.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6937
Weakness: CWE-420
Published: 2026-02-09
Last modified: 2026-06-17

Description

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.

Frequently asked questions

What is CVE-2026-25916?: Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.
How severe is CVE-2026-25916?: CVE-2026-25916 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-25916 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-25916?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-25916 have an EU (EUVD) identifier?: Yes. CVE-2026-25916 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6937.
When was CVE-2026-25916 published?: CVE-2026-25916 was published on 2026-02-09 and last updated on 2026-06-17.

References

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