How severe is CVE-2026-48845?

CVE-2026-48845 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-48845 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48845?

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

Does CVE-2026-48845 have an EU (EUVD) identifier?

Yes. CVE-2026-48845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31720.

When was CVE-2026-48845 published?

CVE-2026-48845 was published on 2026-05-25 and last updated on 2026-06-17.

CVE-2026-48845

CVE-2026-48845 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-669.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31720
Weakness: CWE-669
Published: 2026-05-25
Last modified: 2026-06-17

Description

In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message.

Frequently asked questions

What is CVE-2026-48845?: In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message.
How severe is CVE-2026-48845?: CVE-2026-48845 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-48845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-48845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48845 have an EU (EUVD) identifier?: Yes. CVE-2026-48845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31720.
When was CVE-2026-48845 published?: CVE-2026-48845 was published on 2026-05-25 and last updated on 2026-06-17.

References

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