CVE-2026-103283

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-10-01. A secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 8.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Ghost versions 6.20.0 before 6.57.1 contain a session handling vulnerability that allows authenticated staff users to log in as any other staff user with only the password, bypassing two-factor authentication. Attackers with valid staff credentials can exploit improper session management to impersonate other staff members and gain unauthorized access to administrative functions.

CVSS v3
8.1
EG Score
8.1HIGHhigh confidence
EG Risk
41
EG Risk 41/100CISA SSVC

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
Severity81% × 45%
Exploitation0% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.3%
EPSS %ILE
17th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

October 1, 2026

Last Modified

October 1, 2026

Advisory Details (2)

Auto-updated Oct 1, 2026
Patch available. Sources: github.
generic

Ghost 6.20.0 before 6.57.1 Authentication Bypass via Session Handling | Advisories | VulnCheck

https://www.vulncheck.com/advisories/ghost-6.20.0-before-6.57.1-authentication-bypass-via-session-handling
github Patch Available

Email 2FA Bypass When Switching Users · Advisory · TryGhost/Ghost · GitHub

https://github.com/TryGhost/Ghost/security/advisories/GHSA-q55r-w7fh-rmh6

Vendor Advisories for CVE-2026-103283(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 17× 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. 2026-10-05 07:41 UTCEG score recompute
  2. 2026-10-05 07:41 UTCGHSA enrichment
  3. 2026-10-04 23:21 UTCEPSS rescore
  4. 2026-10-04 19:03 UTCGHSA enrichment
  5. 2026-10-04 06:24 UTCGHSA enrichment
  6. 2026-10-03 17:46 UTCEG score recompute
  7. 2026-10-03 17:46 UTCGHSA enrichment
  8. 2026-10-03 14:25 UTCEPSS rescore
  9. 2026-10-03 05:08 UTCGHSA enrichment
  10. 2026-10-02 16:30 UTCEG score recompute
  11. 2026-10-02 16:30 UTCGHSA enrichment
  12. 2026-10-02 03:52 UTCGHSA enrichment
  13. 2026-10-01 15:12 UTCEG score recompute
  14. 2026-10-01 15:12 UTCGHSA enrichment
  15. 2026-10-01 11:26 UTCEG score recompute
  16. 2026-10-01 10:51 UTCEG score recompute
  17. 2026-10-01 10:50 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-103283?
CVE-2026-103283 is a high vulnerability published on October 1, 2026. Ghost versions 6.20.0 before 6.57.1 contain a session handling vulnerability that allows authenticated staff users to log in as any other staff user with only the password, bypassing two-factor authentication. Attackers with valid staff credentials can exploit improper session management to…
When was CVE-2026-103283 disclosed?
CVE-2026-103283 was first published on October 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-103283 actively exploited?
CVE-2026-103283 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (17th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-103283?
CVE-2026-103283 has a CVSS base score of 8.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-103283?
A fix for CVE-2026-103283 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-103283 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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