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Back to active CVEs
High · CVSS 8.2CVE-2026-54600

Wallos: Unauthenticated database replacement via import endpoint on fresh installCVE-2026-54600

Answer in brief

CVE-2026-54600 records a High severity (CVSS 8.2) vulnerability in Wallos: Unauthenticated database replacement via import endpoint on fresh install. The current sources do not mark it as known exploited. The current feed maps ellite/Wallos (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 31, 2026Updated Sep 8, 2026Source checked Oct 16, 2026First seen by HOL Aug 31, 2026Material review Sep 8, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.2
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ellite/Wallos (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
ellite/Wallosgeneric<4.9.44.9.4

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for ellite/Wallos.
  2. 2Review the reported fix. Update ellite/Wallos to 4.9.4 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 31, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 31, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-287
Source
CVE List V5
Source checked
Oct 16, 2026
References
2 linked sources
Open source record