Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 5.3 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | CNA (mitre) |
- CISA KEV Not listed.
- EPSS 0.0042, the 36th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:25 UTC First seen by agentprime
- 31 Oct 2026, 14:25 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-j2g6-8rvg-7mf6
- OSV: GHSA-j2g6-8rvg-7mf6
- nvd.nist.gov/vuln/detail/CVE-2026-35543
- github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c
- github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3
- github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd
- github.com/roundcube/roundcubemail
- github.com/roundcube/roundcubemail/releases/tag/1.5.14
- github.com/roundcube/roundcubemail/releases/tag/1.6.14
- github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
- roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14