CVE-2026-54643

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 71% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Elevated
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

CubeCart is an ecommerce software solution. Prior to 6.7.5, the delete-note handler in admin/sources/orders.index.inc.php verifies only the presence of order_id and delete-note parameters before deleting records from CubeCart_order_notes, without requiring CC_PERM_DELETE for orders. An authenticated administrator lacking order modification privileges can directly invoke the handler with valid identifiers and delete order-history notes, removing operational records and audit-trail data. This issue is fixed in version 6.7.5.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity54% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

September 17, 2026

Last Modified

September 23, 2026

Advisory Details (4)

Auto-updated Sep 17, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github_release, github.
github Patch Available🟡 PoC Available

Missing Authorization Check for Order Note Deletion in orders.index.inc.php · Advisory · cubecart/v6 · GitHub

https://github.com/cubecart/v6/security/advisories/GHSA-8mmq-8hpq-2h23
github_release Patch Available

CubeCart 6.7.5

Patch available: cubecart/v6 6.7.5

https://github.com/cubecart/v6/releases/tag/6.7.5
github_commit Patch Available

commit 2c1a3fc31a8d (cubecart/v6)

Patch available: cubecart/v6 6.7.5 (contains commit 2c1a3fc31a8d)

https://github.com/cubecart/v6/commit/2c1a3fc31a8d4aecbc8c4aa02ed878aac4d71879
generic

v6/admin/sources/release_notes/6.7.5.inc.php at 6.7.5 · cubecart/v6 · GitHub

https://github.com/cubecart/v6/blob/6.7.5/admin/sources/release_notes/6.7.5.inc.php

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 16× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-24 18:02 UTCEG score recompute
  2. 2026-09-24 14:04 UTCEPSS rescore
  3. 2026-09-23 20:01 UTCEG score recompute
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-23 02:48 UTCEG score recompute
  6. 2026-09-22 04:55 UTCEG score recompute
  7. 2026-09-21 07:03 UTCEG score recompute
  8. 2026-09-20 20:16 UTCEPSS rescore
  9. 2026-09-20 09:07 UTCEG score recompute
  10. 2026-09-19 11:14 UTCEG score recompute
  11. 2026-09-18 19:28 UTCEPSS rescore
  12. 2026-09-18 13:22 UTCEG score recompute
  13. 2026-09-18 13:14 UTCEG score recompute
  14. 2026-09-17 22:23 UTCEG score recompute
  15. 2026-09-17 22:09 UTCEG score recompute
  16. 2026-09-17 22:09 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-54643?
CVE-2026-54643 is a medium vulnerability published on September 17, 2026. CubeCart is an ecommerce software solution. Prior to 6.7.5, the delete-note handler in admin/sources/orders.index.inc.php verifies only the presence of orderid and delete-note parameters before deleting records from CubeCartordernotes, without requiring CCPERM_DELETE for orders. An authenticated…
When was CVE-2026-54643 disclosed?
CVE-2026-54643 was first published in the National Vulnerability Database on September 17, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-54643 actively exploited?
CVE-2026-54643 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 70.8% of all scored CVEs.
What is the CVSS score of CVE-2026-54643?
CVE-2026-54643 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-54643?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54643, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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