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CVE-2026-114723

3.7 · LOW

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 allows the ImageMagick resource limits to be bypassed during thumbnail generation.

Published Oct 22, 2026roundcubeCWE-770EPSS 0.33%

Overview

CVE-2026-114723 is a low-severity vulnerability affecting roundcube webmail. It was published on October 22, 2026 and has a CVSS 3.1 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 allows the ImageMagick resource limits to be bypassed during thumbnail generation. When rcube_image falls back to GD, the available-memory check was applied only on Windows, so on other platforms a crafted image with large dimensions was processed by GD without any resource limit and could exhaust server memory. Upstream fixed this in the commit “Fix ImageMagick resource limits bypass by GD fallback during thumbnail generation”, which applies the memory check on all platforms.

Remediation

Check the references section for vendor advisories and patches from roundcube. Update webmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
roundcubewebmail>= 1.6.0, < 1.6.20Affected

References

Refbugs.debian.org/1151279GitHubgithub.com/roundcube/roundcubemail/commit/0bea81121efd96f07432a837f391dbdd0dffa33fGitHubgithub.com/roundcube/roundcubemail/commit/d28a5703294e971a577e3c4f7bfc33362e3f04cfGitHubgithub.com/roundcube/roundcubemail/releases/tag/1.6.20GitHubgithub.com/roundcube/roundcubemail/releases/tag/1.7.5Refroundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5

How CyberStrike helps

Frequently asked questions

What is CVE-2026-114723?

CVE-2026-114723 is a low-severity vulnerability affecting roundcube webmail. It was published on October 22, 2026 and has a CVSS 3.1 base score of 3.7 (LOW).

How severe is CVE-2026-114723?

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-114723?

Check the references section for vendor advisories and patches from roundcube. Update webmail to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-114723?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-114723 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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