CVE-2026-48847

Name: CVE-2026-48847
Creator: NVD / NIST
Published: 2026-05-25T20:16:37.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.7/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2026-48847 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass.

Metrics

CVSS 3.1

3.7/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.43%

34.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-669

References

Timeline

Published: May 25, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-48847?

Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass.

How severe is CVE-2026-48847?

CVE-2026-48847 has a CVSS score of 3.7/10 (LOW severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2026-48847?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-48847?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST