A vulnerability in the JCE editor extension for Joomla allows the creation of new editor profiles for unauthenticated users, ultimately resulting in PHP code upload and execution.
CVE-2026-48907
Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-06-16), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.
- Actively exploited in the wild (CISA-KEV)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(high)
- EG Risk
- 99(Act)EG Risk 99/100SSVC: Act
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 computedSeverity98% × 45%Exploitation100% × 40%Automatability100% × 15%Action: Fix now — active exploitation, automatable, high impact. - EPSS PROB
- 78%
- EPSS %ILE
- 100%
- KEV
- ⚠ Exploited
Published
June 5, 2026
Last Modified
July 23, 2026
Advisory Details (3)
Auto-updated Sep 12, 2026JCE security update, and a free patch for older sites
https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sitesKnown Exploited Vulnerabilities Catalog | CISA
Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48907Vendor Advisories for CVE-2026-48907(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 49× in last 7d / 215× 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.
Showing the most recent 100 of 705 total refreshes for this CVE.
- 2026-09-16 06:03 UTCEG score recompute
- 2026-09-16 06:03 UTCGHSA enrichment
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-16 01:42 UTCGHSA enrichment
- 2026-09-15 21:20 UTCGHSA enrichment
- 2026-09-15 16:58 UTCGHSA enrichment
- 2026-09-15 12:36 UTCGHSA enrichment
- 2026-09-15 08:14 UTCGHSA enrichment
- 2026-09-15 03:52 UTCEG score recompute
- 2026-09-15 03:52 UTCGHSA enrichment
- 2026-09-14 23:30 UTCGHSA enrichment
- 2026-09-14 19:24 UTCCISA KEV update
- 2026-09-14 19:08 UTCGHSA enrichment
- 2026-09-14 14:46 UTCGHSA enrichment
- 2026-09-14 10:25 UTCGHSA enrichment
- 2026-09-14 06:03 UTCGHSA enrichment
- 2026-09-14 01:42 UTCGHSA enrichment
- 2026-09-13 21:20 UTCGHSA enrichment
- 2026-09-13 16:59 UTCGHSA enrichment
- 2026-09-13 12:37 UTCGHSA enrichment
- 2026-09-13 08:16 UTCGHSA enrichment
- 2026-09-13 03:54 UTCGHSA enrichment
- 2026-09-12 23:33 UTCGHSA enrichment
- 2026-09-12 19:12 UTCEG score recompute
- 2026-09-12 19:12 UTCGHSA enrichment
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- 2026-09-12 14:50 UTCGHSA enrichment
- 2026-09-12 10:29 UTCGHSA enrichment
- 2026-09-12 06:07 UTCGHSA enrichment
- 2026-09-12 01:44 UTCGHSA enrichment
- 2026-09-11 21:23 UTCGHSA enrichment
- 2026-09-11 18:49 UTCCISA KEV update
- 2026-09-11 17:02 UTCGHSA enrichment
- 2026-09-11 12:40 UTCEG score recompute
- 2026-09-11 12:40 UTCGHSA enrichment
- 2026-09-11 08:16 UTCGHSA enrichment
- 2026-09-11 03:55 UTCGHSA enrichment
- 2026-09-10 23:33 UTCGHSA enrichment
- 2026-09-10 19:28 UTCCISA KEV update
- 2026-09-10 19:11 UTCGHSA enrichment
- 2026-09-10 14:50 UTCGHSA enrichment
- 2026-09-10 10:29 UTCEG score recompute
- 2026-09-10 10:28 UTCGHSA enrichment
- 2026-09-10 09:35 UTCEPSS rescore
- 2026-09-10 06:07 UTCGHSA enrichment
- 2026-09-10 01:45 UTCGHSA enrichment
- 2026-09-09 21:24 UTCGHSA enrichment
- 2026-09-09 19:08 UTCCISA KEV update
- 2026-09-09 17:01 UTCGHSA enrichment
- 2026-09-09 12:40 UTCGHSA enrichment
- 2026-09-09 08:18 UTCGHSA enrichment
- 2026-09-09 03:57 UTCGHSA enrichment
- 2026-09-08 23:36 UTCGHSA enrichment
- 2026-09-08 19:14 UTCGHSA enrichment
- 2026-09-08 18:54 UTCCISA KEV update
- 2026-09-08 14:51 UTCGHSA enrichment
- 2026-09-08 10:27 UTCGHSA enrichment
- 2026-09-08 06:04 UTCGHSA enrichment
- 2026-09-08 01:40 UTCGHSA enrichment
- 2026-09-07 21:18 UTCGHSA enrichment
- 2026-09-07 16:57 UTCGHSA enrichment
- 2026-09-07 12:35 UTCGHSA enrichment
- 2026-09-07 08:14 UTCGHSA enrichment
- 2026-09-07 03:52 UTCGHSA enrichment
- 2026-09-06 23:30 UTCGHSA enrichment
- 2026-09-06 19:08 UTCGHSA enrichment
- 2026-09-06 14:44 UTCEG score recompute
- 2026-09-06 14:44 UTCGHSA enrichment
- 2026-09-06 13:47 UTCEPSS rescore
- 2026-09-06 10:22 UTCGHSA enrichment
- 2026-09-06 06:01 UTCGHSA enrichment
- 2026-09-06 01:40 UTCGHSA enrichment
- 2026-09-05 21:18 UTCGHSA enrichment
- 2026-09-05 16:57 UTCEG score recompute
- 2026-09-05 16:57 UTCGHSA enrichment
- 2026-09-05 12:35 UTCGHSA enrichment
- 2026-09-05 08:14 UTCGHSA enrichment
- 2026-09-05 03:52 UTCGHSA enrichment
- 2026-09-04 23:30 UTCGHSA enrichment
- 2026-09-04 19:09 UTCGHSA enrichment
- 2026-09-04 17:38 UTCCISA KEV update
- 2026-09-04 14:47 UTCGHSA enrichment
- 2026-09-04 10:22 UTCGHSA enrichment
- 2026-09-04 06:00 UTCEG score recompute
- 2026-09-04 06:00 UTCGHSA enrichment
- 2026-09-04 05:06 UTCEPSS rescore
- 2026-09-04 01:38 UTCGHSA enrichment
- 2026-09-03 21:16 UTCGHSA enrichment
- 2026-09-03 16:52 UTCGHSA enrichment
- 2026-09-03 12:28 UTCGHSA enrichment
- 2026-09-03 08:04 UTCGHSA enrichment
- 2026-09-03 03:42 UTCGHSA enrichment
- 2026-09-02 23:21 UTCGHSA enrichment
- 2026-09-02 18:57 UTCGHSA enrichment
- 2026-09-02 17:33 UTCCISA KEV update
- 2026-09-02 14:34 UTCGHSA enrichment
- 2026-09-02 10:12 UTCGHSA enrichment
- 2026-09-02 05:49 UTCGHSA enrichment
- 2026-09-02 01:24 UTCGHSA enrichment
- 2026-09-01 21:01 UTCGHSA enrichment
- 2026-09-01 16:40 UTCEG score recompute
Publicly available exploits
(9 references)Working exploit code is in the public domain (1 Metasploit module) (5 GitHub PoCs) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-52645First seen Aug 17, 2026
Joomla JCE_2.9.15 - Remote Code Execution
Open source ↗ - Exploit-DBEDB-52630First seen Aug 10, 2026
Joomla 2.9.99.4 - Unauthenticated Remote Code Execution
Open source ↗ - GitHub PoCK3ysTr0K3R/CVE-2026-48907First seen Jun 29, 2026
CVE-2026-48907 – Joomla JCE Unauthenticated Remote Code Execution (RCE)
Open source ↗ - GitHub PoCgh1mau/masta-cve-2026-48907First seen Jun 27, 2026
cve-2026-48907 scanner
Open source ↗ - GitHub PoC0xgh057r3c0n/CVE-2026-48907First seen Jun 22, 2026
CVE-2025-48907 - Unauthenticated RCE exploit for Joomla JCE < 2.9.99.5
Open source ↗ - GitHub PoC0xBlackash/CVE-2026-48907First seen Jun 12, 2026
CVE-2026-48907
Open source ↗ - GitHub PoCywh-jfellus/CVE-2026-48907First seen Jun 11, 2026
PoC for CVE-2026-48907 - Joomla! JCE extension < 2.9.99.5 unauthenticated RCE
Open source ↗ - Metasploitexploit/multi/http/joomla_com_jce_unauth_file_upload_rce✓ verifiedFirst seen Jun 5, 2026
Joomla Content Editor Unauthenticated File Upload RCE
Open source ↗ - Nucleihttp/cves/2026/CVE-2026-48907.yamlFirst seen Jan 1, 2026
Joomla! JCE extension < 2.9.99.5 unauthenticated RCE
Open source ↗
Frequently asked(6)
What is CVE-2026-48907?
When was CVE-2026-48907 disclosed?
Is CVE-2026-48907 actively exploited?
What is the CVSS score of CVE-2026-48907?
Which products are affected by CVE-2026-48907?
How do I remediate CVE-2026-48907?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-48907
Is Your Infrastructure Affected by CVE-2026-48907?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.