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CVE

CVE-2026-29041

Chamilo: Authenticated Remote Code Execution via Unrestricted File Upload
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CVE

CVE-2026-29041

Chamilo: Authenticated Remote Code Execution via Unrestricted File Upload

Chamilo is a learning management system. Prior to version 1.11.34, Chamilo LMS is affected by an authenticated remote code execution vulnerability caused by improper validation of uploaded files. The application relies solely on MIME-type verification when handling file uploads and does not adequately validate file extensions or enforce safe server-side storage restrictions. As a result, an authenticated low-privileged user can upload a crafted file containing executable code and subsequently execute arbitrary commands on the server. This issue has been patched in version 1.11.34.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.34, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29041.json, https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-4pc3-4w2v-vwx8, https://nvd.nist.gov/vuln/detail/CVE-2026-29041

Severity

8.8

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8.8
EPSS Probability
0.00258%
EPSS Percentile
0.49215%
Introduced Version
0
Fix Available
7eb5c84dbd65b950c1ccfbc6b0262d60b04e40b7

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