Chamilo LMS is an open-source learning management system. Prior to 2.0.1, Chamilo LMS allows an unauthenticated remote attacker to execute arbitrary code on the server. The authoritative advisory does not identify the affected endpoint, component, input, or exploitation mechanism. This issue is fixed in version 2.0.1.
CVE-2026-45140
CRITICALPre-NVD 9.89.8—Trending — 3 sources updated this week
EchelonGraph scoreMEDIUM confidence
This critical-severity CVE scores 9.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 1.0%, top 39% 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
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0
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(medium)
- 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 computedSeverity98% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 61%
- KEV
- Not listed
Published
September 17, 2026
Last Modified
September 18, 2026
Advisory Details (3)
Auto-updated Sep 18, 2026Patch available. Sources: github_commit, github_release, github.
github Patch Available
Unauthenicated RCE v2.0.0 · Advisory · chamilo/chamilo-lms · GitHub
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-g4c3-4g96-6g4mgithub_release Patch Available
v2.0.1
Patch available: chamilo/chamilo-lms v2.0.1
https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.1github_commit
commit 4bdba1b9a882 (chamilo/chamilo-lms)
Fix landed in chamilo/chamilo-lms commit 4bdba1b9a882 — awaiting tagged release
https://github.com/chamilo/chamilo-lms/commit/4bdba1b9a8820bd70c0809317775d7f6eaa79844Vendor Advisories for CVE-2026-45140(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)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| chamilo/chamilo-lms | — | 2.0.1 | — |
Weakness Classification(4)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 6× 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.
- 2026-09-18 19:28 UTCEG score recompute
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 18:44 UTCEG score recompute
- 2026-09-17 21:20 UTCEG score recompute
- 2026-09-17 20:25 UTCEG score recompute
- 2026-09-17 20:24 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-22 · CWE-94 · CWE-434
- CVE-2001-1586EG 10.0EPSS p95HIGH
- CVE-2003-1432EG 10.0EPSS p94HIGH
- CVE-2002-0495EG 10.0EPSS p96HIGH
- CVE-1999-0702EG 10.0EPSS p98HIGH
- CVE-1999-0509EG 10.0EPSS p98HIGH
- CVE-2004-0847EG 9.8EPSS p99CRITICAL
- CVE-2002-2269EG 9.4HIGH
- CVE-2004-0273EG 9.3EPSS p90HIGH
- CVE-2004-1364EG 8.5EPSS p96HIGH
- CVE-1999-0036EG 8.4HIGH
Frequently asked(5)
What is CVE-2026-45140?
CVE-2026-45140 is a critical vulnerability published on September 17, 2026. Chamilo LMS is an open-source learning management system. Prior to 2.0.1, Chamilo LMS allows an unauthenticated remote attacker to execute arbitrary code on the server. The authoritative advisory does not identify the affected endpoint, component, input, or exploitation mechanism. This issue is…
When was CVE-2026-45140 disclosed?
CVE-2026-45140 was first published in the National Vulnerability Database on September 17, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45140 actively exploited?
CVE-2026-45140 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 39.4% of all scored CVEs.
What is the CVSS score of CVE-2026-45140?
CVE-2026-45140 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-45140?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45140, 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-2026-45140
Is Your Infrastructure Affected by CVE-2026-45140?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.