Not analysed yet
We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 5.4 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N | CNA (mitre) |
- CISA KEV Not listed.
- EPSS 0.0035, the 29th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
References from the CNA
- roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3
- github.com/roundcube/roundcubemail/releases/tag/1.6.18
- github.com/roundcube/roundcubemail/commit/e6cc1e121effeaec6d916feb4e019d2828924540
- github.com/roundcube/roundcubemail/releases/tag/1.7.3
- github.com/roundcube/roundcubemail/commit/0893e192adf803c7a5a89fafc80278257e1bcf65