EUVD-2026-31717
GHSA-qhxr-pc4x-jrq3
Severity by source
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionCVE.org
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has insecure code evaluation logic in LDAP the autovalues option that could lead to code injection. (Support for code evaluation has been removed in 1.6.16 and 1.7.1.)
AnalysisAI
Code injection in Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 allows authenticated attackers to execute arbitrary PHP via the LDAP autovalues option, which previously evaluated user-influenced expressions as code. The upstream maintainers removed code evaluation support entirely in the fixed releases. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a Roundcube deployment where the LDAP address book is enabled AND the administrator configured the autovalues option using templated expressions (the feature whose evaluation path was removed in 1.6.16/1.7.1). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are mixed and lean toward moderate, not critical. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with a valid Roundcube mail account on a server whose administrators configured the LDAP address book with autovalues templates crafts contact or address-book input that, when expanded by the autovalues evaluator, yields PHP code; submitting the input through the address book causes the Roundcube backend to evaluate that code, granting arbitrary code execution under the webmail user. No public exploit is identified at time of analysis, but the patch commits themselves reveal the vulnerable evaluation pattern to anyone reviewing the diff. |
| Remediation | Vendor-released patch: upgrade to Roundcube Webmail 1.6.16 (for the 1.6.x branch) or 1.7.1 (for the 1.7.x branch), both published 2026-05-24 - these releases remove code evaluation support from the LDAP autovalues option entirely, per commits 6a777d7394b763ce9acfce86c1a521e14a02d862 and ea1798a6fbf060abcc0ba73b2435036bf8016a5a. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
24 hours: Inventory all Roundcube instances and identify those running 1.6.x (before 1.6.16) or 1.7.x (before 1.7.1). …
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Vendor StatusVendor
SUSE
Severity: High| Product | Status |
|---|---|
| openSUSE Leap 16.0 | Fixed |
| openSUSE Tumbleweed | Fixed |
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External POC / Exploit Code
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