CVE-2026-114724: Roundcube Webmail

Deserialization of untrusted data in Roundcube Webmail

CVSS 7.4 HighEPSS 0.0041 · 35th percentile

Published by the CVE Program (CNA: mitre) at 22 Oct 2026, 01:48 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-2026-114724

CNA

mitre

Weakness (CWE)

CWE-502

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
7.4	High	3.1	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (mitre)

CISA KEV Not listed.
EPSS 0.0041, the 35th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

bugs.debian.org/1151279 issue-trackingthird-party-advisory
github.com/roundcube/roundcubemail/commit/93284f3f0e13f99af37fc3b81861e142eea8a922 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/833770d3d3c35cfde74cc2614d368f25a75b6f99 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.