CVE-2026-74999
roundcube: In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the "Add to address book" action was subject to stored XSS.
CVE-2026-74999 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-74999, released August 17, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.4
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0026
17th percentile
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the "Add to address book" action was subject to stored XSS.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| roundcube · Debian 12.15 (bookworm) | 1.6.5+dfsg-1+deb12u11 | DEBIAN-CVE-2026-74999 | Aug 17, 2026 |
| roundcube · Debian 13.5 (trixie) | 1.6.18+dfsg-0+deb13u1 | DEBIAN-CVE-2026-74999 | Aug 17, 2026 |
| roundcube · Debian 14 | 1.6.18+dfsg-1 | DEBIAN-CVE-2026-74999 | Aug 17, 2026 |
| roundcubemail · opensuse-leap 16.0 | 1.6.20-bp160.1.1 | OPENSUSE-SU-2026:22195-1 | Nov 7, 2026 |
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