CVE-2026-70589

MEDIUMPre-NVD 4.84.8—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 93% 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
4.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.8Exploit: None knownExposed: 0

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

Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1.

CVSS v3
4.8
EG Score
4.8(medium)
EG Risk
22(Track)
EG Risk 22/100SSVC: 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
Severity48% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
7%
KEV
Not listed

Published

August 4, 2026

Last Modified

September 8, 2026

Advisory Details (2)

Auto-updated Aug 4, 2026
Patch available. Sources: github, github_commit.
github_commit Patch Available

commit d91c0fc52dfc (TryGhost/Ghost)

Patch available: TryGhost/Ghost v6.54.1 (contains commit d91c0fc52dfc)

https://github.com/TryGhost/Ghost/commit/d91c0fc52dfc987d71a9803dbcbe6447d21b92fb
github Patch Available

Archived Offers can be Redeemed · Advisory · TryGhost/Ghost · GitHub

https://github.com/TryGhost/Ghost/security/advisories/GHSA-4wx2-7gvj-qfq3

Vendor Advisories for CVE-2026-70589(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
ghost—6.54.1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 44× 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. 2026-09-19 05:05 UTCEG score recompute
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 03:06 UTCEG score recompute
  4. 2026-09-17 01:10 UTCEG score recompute
  5. 2026-09-16 14:08 UTCEPSS rescore
  6. 2026-09-16 05:15 UTCEPSS rescore
  7. 2026-09-15 16:45 UTCEG score recompute
  8. 2026-09-15 03:12 UTCEPSS rescore
  9. 2026-09-14 10:42 UTCEG score recompute
  10. 2026-09-13 08:46 UTCEG score recompute
  11. 2026-09-12 15:02 UTCEPSS rescore
  12. 2026-09-12 06:50 UTCEG score recompute
  13. 2026-09-11 14:53 UTCEPSS rescore
  14. 2026-09-11 04:46 UTCEG score recompute
  15. 2026-09-10 09:35 UTCEPSS rescore
  16. 2026-09-10 02:35 UTCEG score recompute
  17. 2026-09-08 22:01 UTCEPSS rescore
  18. 2026-09-07 22:27 UTCEG score recompute
  19. 2026-09-07 16:01 UTCEPSS rescore
  20. 2026-09-06 20:31 UTCEG score recompute
  21. 2026-09-06 13:47 UTCEPSS rescore
  22. 2026-09-05 18:31 UTCEG score recompute
  23. 2026-09-05 15:31 UTCEPSS rescore
  24. 2026-09-04 11:45 UTCEG score recompute
  25. 2026-09-04 05:07 UTCEPSS rescore
Show 53 more
  1. 2026-09-03 09:48 UTCEG score recompute
  2. 2026-09-02 14:12 UTCEPSS rescore
  3. 2026-09-02 07:40 UTCEG score recompute
  4. 2026-09-01 13:54 UTCEPSS rescore
  5. 2026-09-01 04:40 UTCEPSS rescore
  6. 2026-08-30 23:38 UTCEG score recompute
  7. 2026-08-30 19:17 UTCEPSS rescore
  8. 2026-08-29 21:43 UTCEG score recompute
  9. 2026-08-28 21:42 UTCEPSS rescore
  10. 2026-08-27 08:48 UTCEG score recompute
  11. 2026-08-26 14:47 UTCEPSS rescore
  12. 2026-08-26 06:52 UTCEG score recompute
  13. 2026-08-25 13:49 UTCEPSS rescore
  14. 2026-08-25 04:56 UTCEG score recompute
  15. 2026-08-23 00:42 UTCEG score recompute
  16. 2026-08-23 00:19 UTCEPSS rescore
  17. 2026-08-21 23:49 UTCEPSS rescore
  18. 2026-08-21 22:46 UTCEG score recompute
  19. 2026-08-20 22:56 UTCEPSS rescore
  20. 2026-08-19 18:55 UTCEG score recompute
  21. 2026-08-19 17:04 UTCEPSS rescore
  22. 2026-08-18 15:47 UTCEG score recompute
  23. 2026-08-18 13:49 UTCEPSS rescore
  24. 2026-08-18 13:49 UTCEPSS rescore
  25. 2026-08-17 13:47 UTCEPSS rescore
  26. 2026-08-17 12:40 UTCEG score recompute
  27. 2026-08-16 14:56 UTCEPSS rescore
  28. 2026-08-16 14:56 UTCEPSS rescore
  29. 2026-08-16 10:44 UTCEG score recompute
  30. 2026-08-16 02:15 UTCEPSS rescore
  31. 2026-08-15 08:49 UTCEG score recompute
  32. 2026-08-15 01:31 UTCEPSS rescore
  33. 2026-08-14 06:53 UTCEG score recompute
  34. 2026-08-13 22:00 UTCEPSS rescore
  35. 2026-08-13 04:58 UTCEG score recompute
  36. 2026-08-12 13:51 UTCEPSS rescore
  37. 2026-08-12 03:02 UTCEG score recompute
  38. 2026-08-11 01:07 UTCEG score recompute
  39. 2026-08-11 00:00 UTCEPSS rescore
  40. 2026-08-09 23:11 UTCEG score recompute
  41. 2026-08-09 13:47 UTCEPSS rescore
  42. 2026-08-08 21:16 UTCEG score recompute
  43. 2026-08-08 16:37 UTCEPSS rescore
  44. 2026-08-07 19:20 UTCEG score recompute
  45. 2026-08-06 17:24 UTCEG score recompute
  46. 2026-08-06 13:47 UTCEPSS rescore
  47. 2026-08-05 19:17 UTCEPSS rescore
  48. 2026-08-05 19:17 UTCEPSS rescore
  49. 2026-08-05 15:28 UTCEG score recompute
  50. 2026-08-05 14:37 UTCEG score recompute
  51. 2026-08-04 22:32 UTCEG score recompute
  52. 2026-08-04 21:42 UTCEG score recompute
  53. 2026-08-04 21:40 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-70589?
CVE-2026-70589 is a medium vulnerability published on August 4, 2026. Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1.
When was CVE-2026-70589 disclosed?
CVE-2026-70589 was first published in the National Vulnerability Database on August 4, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-70589 actively exploited?
CVE-2026-70589 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 93.1% of all scored CVEs.
What is the CVSS score of CVE-2026-70589?
CVE-2026-70589 has a CVSS v3 base score of 4.8 (NVD).
How do I remediate CVE-2026-70589?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-70589, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-70589

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