EUVD-2026-71621Severity by source
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable web endpoint, but requires authenticated low-privilege user and a viable gadget chain (AC:H); successful deserialization yields full RCE (C:H/I:H/A:H).
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
5DescriptionCVE.org
SolidInvoice is an open-source invoicing platform. Prior to version 3.0.1, the DataGrid LiveComponent deserializes a context prop value using PHP's unserialize() after receiving it from the client. Because the prop is marked writable: true, an authenticated attacker can supply an arbitrary PHP serialized payload. Version 3.0.1 fixes the issue.
AnalysisAI
PHP object deserialization in SolidInvoice's DataGrid LiveComponent prior to version 3.0.1 allows authenticated low-privilege users to supply arbitrary PHP-serialized payloads through the writable context prop, leading to potential remote code execution on the hosting server. The root cause is direct use of PHP's unserialize() on client-controlled input without validation or type restriction, confirmed by GitHub Security Advisory GHSA-4gj8-frx2-gmp6. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an active authenticated session in SolidInvoice with at least a low-privilege user account - any standard user (billing staff, client user) suffices, as the `context` prop is `writable: true` without additional privilege checks. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS vector AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H is well-calibrated: the vulnerability is network-reachable but requires two compounding conditions - a valid authenticated session and a working PHP gadget chain within the application's dependency graph - which together justify AC:H. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to SolidInvoice 3.0.1, the vendor-confirmed patched release, which replaces the dangerous `serialize`/`unserialize` call with JSON-based DataGrid context hydration (PR #2518). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all SolidInvoice deployments and identify instances running DataGrid LiveComponent prior to version 3.0.1, noting which user accounts have access to affected features. …
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Same weakness CWE-502 – Deserialization of Untrusted Data
View allSame technique Deserialization
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External POC / Exploit Code
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