CVE-2026-48848 json
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CS…
published 2026-05-25 5 mo ago modified 2026-07-24 3 mo ago also EUVD-2026-31727
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute.
Patch / fix
- Roundcube Webmail 1.6.16, 1.7.1
- roundcube Debian 12 1.6.5+dfsg-1+deb12u9
- roundcube Debian 13 1.6.16+dfsg-0+deb13u1
- roundcube Debian 14 1.6.16+dfsg-1
debian advisories DEBIAN-CVE-2026-48848
- roundcubemail openSUSE Tumbleweed 1.6.16-2.1
opensuse advisories openSUSE-SU-2026:10869-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-48848 updated cvss 7.2
roundcubemail: CSS injection via an SVG document that has an animate element with the attributeName attribute
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Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
- Roundcube Webmail
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
- github.com /roundcube/roundcubemail/commit/c960d102472dc579e15907d5bcdc3103a090ccf9
- github.com /roundcube/roundcubemail/commit/58e5263f341e6a418774fb6d2643669a3c4d8a27
- roundcube.net /news/2026/05/24/security-updates-1.6.16-and-1.7.1
- github.com /roundcube/roundcubemail/releases/tag/1.7.1
- github.com /roundcube/roundcubemail/releases/tag/1.6.16
Sources
- CVE List CVE-2026-48848
- NVD CVE-2026-48848
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.