CVE-2026-114731: Roundcube Webmail

Resource allocation without limits in Roundcube Webmail

CVSS 5.3 MediumEPSS 0.0043 · 37th percentile

Published by the CVE Program (CNA: mitre) at 22 Oct 2026, 02:12 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Roundcube	Webmail	affected 1.6.0 to before 1.6.20 semver affected 1.7.0 to before 1.7.5 semver Other versions: unaffected

Identifiers

CVE-2026-114731

CNA

mitre

Weakness (CWE)

CWE-770

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
5.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	CNA (mitre)

CISA KEV Not listed.
EPSS 0.0043, the 37th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

22 Oct 2026, 02:12 UTC Confirmed by the CVE List
22 Oct 2026, 03:16 UTC Confirmed by NVD

Sources

References from the CNA

bugs.debian.org/1151279 issue-trackingthird-party-advisory
github.com/roundcube/roundcubemail/commit/2c9f6da692fa37cad2aaf85d5b127b583d22b264 patch
roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5 vendor-advisoryrelease-notes
github.com/roundcube/roundcubemail/releases/tag/1.7.5 release-notespatch
github.com/roundcube/roundcubemail/releases/tag/1.6.20 release-notespatch
github.com/roundcube/roundcubemail/commit/99a5bdd05b01f45493cc0da4c96968eac7668126 patch

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.