CVE-2026-114715: Auth Bypass (CVSS 6.8)

Description

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an incorrect authorization vulnerability in the Modoboa driver of the password plugin. The driver took the first entry of the account search result returned by the Modoboa API instead of matching the authenticated user, so a password change could be applied to a different account. Upstream fixed this in the commit “Fix bug where Password Modoboa driver could change password for another account”, which selects the account whose username matches and fails if none does.

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CVSS v3.1 Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploit Prediction

0.0034

Probability of exploitation

0.28%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other References

https://bugs.debian.org/1151279 https://github.com/roundcube/roundcubemail/commit/3d9d05bfe2da7f93b8d47e68cadab22bb67e6cc9 https://github.com/roundcube/roundcubemail/commit/e6a77272a5837e7104238a2f270ac412ff0a8ff3 https://github.com/roundcube/roundcubemail/releases/tag/1.6.20 https://github.com/roundcube/roundcubemail/releases/tag/1.7.5 https://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5

Frequently Asked Questions

What is CVE-2026-114715? +

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an incorrect authorization vulnerability in the Modoboa driver of the password plugin. The driver took the first entry of the account search result returned by the Modoboa API instead of matching the authenticated user, so a password change could be applied to a different account. Upstream fixed this in the commit “Fix bug where Password Modoboa driver could change password for another account”, which selects the account whose username matches and fails if none does. It has a CVSS v3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2026-114715? +

CVE-2026-114715 has a CVSS v3.1 score of 6.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0034, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-114715? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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