EUVD-2026-68771Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Network-accessible unauthenticated HTTP endpoint with no complexity; I:H for full schema manipulation; A:L added because out-of-sequence migrations can render the application non-functional.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
4DescriptionCVE.org
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.4, endpoints/db/migrate.php executes database schema migrations when called over HTTP with zero authentication. Any unauthenticated attacker can trigger pending migration files against the live SQLite database. This issue has been patched in version 4.9.4.
AnalysisAI
Unauthenticated remote execution of database schema migrations in Wallos prior to version 4.9.4 allows any attacker with HTTP access to trigger pending SQLite migration files against the live database by calling endpoints/db/migrate.php directly. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms this requires zero authentication, zero complexity, and no user interaction against default-configured instances. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) accurately captures the unauthenticated network exposure and high integrity impact, though the A:N rating may understate real-world impact - out-of-sequence or repeated migration execution can leave the application in a broken state, effectively causing availability loss not reflected in the score. … 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 | The vendor fix (commit 85bba48) restricts migrate.php to CLI execution and authenticated admin sessions only. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Wallos instances in your organization and determine if any are accessible from the internet; isolate or block external access to critical instances. …
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Threat intelligence, references, and detailed analysis are available after sign-in.
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External POC / Exploit Code
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