CVE Tools
Sign in

CVE-2026-48847

Published: May 25, 2026Updated: May 26, 2026 Sources: CVE List NVD BDUCWE-669
NVD MITRE
3.7CVSSLOW
EPSS Score
0.4%
Top 68.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-669

Affected Products

RoundCube WebmailThe RoundCube Team
On-prem
Communications / email-server-client
WebmailRoundcube
Web App
Communications / email-server-client
the roundcube teamoss-projectCommunicationsaka roundcube webmail
roundcubeoss-projectDECommunicationsaka roundcube webmail, roundcube

Exploitability

Official Patch Available

References

https://github.com/roundcube/roundcubemail/commit/703318e6a59515b73b0d8aa2a91e346b02f56baa
github.com
https://github.com/roundcube/roundcubemail/commit/a4eb375b98cc3d055de665c34efc729dd8ef272a
github.com
https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
github.com
and 6 more references View all →

Timeline

Published
May 25, 2026
Last Updated
May 26, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-48847 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows