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CVE-2026-54600

Wallos: Unauthenticated database replacement via import endpoint on fresh install

HIGH

8.2

CVSS Score

Published: August 31, 2026 at 08:32 PM UTC

Updated: September 8, 2026 at 09:29 PM UTC

1 product affected across 1 vendorWallos

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Severity

HIGH8.2

Exploit prediction

EPSS 0.6%

SSVC

PoC

Description

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.4, endpoints/db/import.php has no authentication. The only guard is a user-table row count — if zero (fresh/unconfigured install), an unauthenticated attacker can replace the entire database. This issue has been patched in version 4.9.4.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wallos · Ellite

60%

v < 4.9.4

Affected range stops below 4.9.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_CONFIRM

Source: cverecord

https://github.com/ellite/Wallos/security/advisories/GHSA-8wqc-r9j3-rv7m

x_refsource_MISC

Source: cverecord

https://github.com/ellite/Wallos/releases/tag/v4.9.4

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHGitHub_M

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-287

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