# CVE-2026-48847

## Summary

- **CVE ID:** CVE-2026-48847
- **Severity:** LOW
- **CVSS Score:** 3.7 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
- **CWE:** CWE-669
- **Published:** May 25, 2026
- **Last Modified:** May 26, 2026

## 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.

## Affected Products

- Roundcube — Webmail (1.6.0)
- Roundcube — Webmail (1.7.0)

## References

- [CNA](https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1)
- [CNA](https://github.com/roundcube/roundcubemail/releases/tag/1.7.1)
- [CNA](https://github.com/roundcube/roundcubemail/commit/a4eb375b98cc3d055de665c34efc729dd8ef272a)
- [CNA](https://github.com/roundcube/roundcubemail/releases/tag/1.6.16)
- [CNA](https://github.com/roundcube/roundcubemail/commit/703318e6a59515b73b0d8aa2a91e346b02f56baa)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.43%
- **EPSS Percentile:** 36.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._