CVE-2026-66648

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-24. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

Unauthenticated Privilege Escalation in Jawn <= 1.4.2 versions.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

August 24, 2026

Last Modified

August 24, 2026

Advisory Details (1)

Auto-updated Aug 24, 2026
Patch available.
generic Patch Available

Privilege Escalation in WordPress Jawn Theme - Patchstack

https://patchstack.com/database/wordpress/theme/jawn/vulnerability/wordpress-jawn-theme-1-4-2-privilege-escalation-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-66648(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 33× in last 7d / 33× 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. 2026-08-27 22:54 UTCGHSA enrichment
  2. 2026-08-27 19:00 UTCGHSA enrichment
  3. 2026-08-27 15:04 UTCEG score recompute
  4. 2026-08-27 15:04 UTCGHSA enrichment
  5. 2026-08-27 11:11 UTCGHSA enrichment
  6. 2026-08-27 07:17 UTCGHSA enrichment
  7. 2026-08-27 03:24 UTCGHSA enrichment
  8. 2026-08-26 23:29 UTCGHSA enrichment
  9. 2026-08-26 19:35 UTCGHSA enrichment
  10. 2026-08-26 15:42 UTCEG score recompute
  11. 2026-08-26 15:42 UTCGHSA enrichment
  12. 2026-08-26 14:47 UTCEPSS rescore
  13. 2026-08-26 11:48 UTCGHSA enrichment
  14. 2026-08-26 07:55 UTCGHSA enrichment
  15. 2026-08-26 04:01 UTCGHSA enrichment
  16. 2026-08-26 00:06 UTCGHSA enrichment
  17. 2026-08-25 20:10 UTCGHSA enrichment
  18. 2026-08-25 16:16 UTCEG score recompute
  19. 2026-08-25 16:16 UTCGHSA enrichment
  20. 2026-08-25 13:49 UTCEPSS rescore
  21. 2026-08-25 12:23 UTCGHSA enrichment
  22. 2026-08-25 08:24 UTCGHSA enrichment
  23. 2026-08-25 04:26 UTCGHSA enrichment
  24. 2026-08-25 00:33 UTCGHSA enrichment
  25. 2026-08-24 20:38 UTCGHSA enrichment
Show 8 more
  1. 2026-08-24 16:44 UTCGHSA enrichment
  2. 2026-08-24 13:28 UTCEG score recompute
  3. 2026-08-24 13:28 UTCGHSA enrichment
  4. 2026-08-24 12:58 UTCEG score recompute
  5. 2026-08-24 12:58 UTCGHSA enrichment
  6. 2026-08-24 12:21 UTCEG score recompute
  7. 2026-08-24 12:01 UTCEG score recompute
  8. 2026-08-24 12:00 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-66648?
CVE-2026-66648 is a critical vulnerability published on August 24, 2026. Unauthenticated Privilege Escalation in Jawn <= 1.4.2 versions.
When was CVE-2026-66648 disclosed?
CVE-2026-66648 was first published in the National Vulnerability Database on August 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66648 actively exploited?
CVE-2026-66648 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 81.4% of all scored CVEs.
What is the CVSS score of CVE-2026-66648?
CVE-2026-66648 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-66648?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66648, 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

Explore the affected products and dependency analysis for CVE-2026-66648

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