HOMEVULNERABILITIESCVE-2026-33705
MEDIUMPOC

CVE-2026-33705

CWE-538Published: April 10, 2026· Updated: Apr 16, 2026

5.3
CVSS v3.1

Official Description

Chamilo LMS is a learning management system. Prior to 1.11.38, Twig template files (.tpl) under /main/template/default/ are directly accessible without authentication via HTTP GET requests. These templates expose internal application logic, variable names, AJAX endpoint URLs, and admin panel structure. This vulnerability is fixed in 1.11.38.

NVD Source

Technical Analysis

CVE-2026-33705 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A proof-of-concept (PoC) exploit exists for CVE-2026-33705. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

chamilo1 product
chamilo lms
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/chamilo/chamilo-lms/commit/4efb5ee8ed849ca147ca1fe7472ef7b98db17bff
ADVISORYhttps://github.com/chamilo/chamilo-lms/security/advisories/GHSA-5wjg-8x28-px57

All References (2)

→
https://github.com/chamilo/chamilo-lms/commit/4efb5ee8ed849ca147ca1fe7472ef7b98db17bffPatch
→
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-5wjg-8x28-px57Vendor Advisory

Quick Facts

CVE IDCVE-2026-33705
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-538
CISA KEVNo
ExploitPOC
Affected1 vendor
PublishedApr 10, 2026

Related CVEs (CWE-538)

CVE-2016-20024
9.8
CVE-2025-12059
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CVE-2026-49298
8.8
CVE-2026-27173
8.7
CVE-2023-54346
7.5
CVE-2026-5434
7.5

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-33705 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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