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CVE-2026-107147

6.3 medium Published
NVD · CVE.org

The twofactor_gauthenticator plugin for Roundcube is vulnerable to 2fa authentication bypass by spoofed client address headers. Due to the lack of validation of the Client-IP and X-Forwarded-For headers, an attacker who obtains user's password can spoof a whitelisted IP address, resulting in the second factor being bypassed. This issue was fixed in commit 4640889.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 6

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-27 09:36
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-27 15:07
  3. StatusReceived → PublishedNVD modified 2026-10-27 09:36
  4. StatusPublished → ReceivedNVD modified 2026-10-27 10:16
  5. CVSS6.3 (v4.0, CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N) → 6.3 (v4.0, CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-27 10:16
  6. First seenCVSS 6.3 · alexandregzNVD modified 2026-10-27 09:36

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2