CVE-2026-48849
MEDIUMCVSS 4.4/10EPSS 0.24%
Last modified
CVE-2026-48849 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-48849?
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.
How severe is CVE-2026-48849?
CVE-2026-48849 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2026-48849?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-48843Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x …7.2
- CVE-2026-48844Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1…7.5
- CVE-2026-48845In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7…6.5
- CVE-2026-48846In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.…6.5
- CVE-2026-48847Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.…3.7
- CVE-2026-48848Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 h…7.2
- CVE-2026-4885The Piotnet Addons for Elementor Pro plugin for WordPress is…9.8
- CVE-2026-48850PuTTY 0.72 before 0.84 has a double free in RSA KEX.5.9
- CVE-2026-48851PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a tr…3.1
- CVE-2026-48852PuTTY 0.71 before 0.84 has an assertion failure in ECDSA sig…3.7
- CVE-2026-48853Deserialization of Untrusted Data and Allocation of Resource…9.2
- CVE-2026-48854Allocation of Resources Without Limits or Throttling vulnera…8.7
Are you affected by CVE-2026-48849?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST