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CVE-2026-45145high7.5

Chamilo LMS: Database-backed PHP object injection in career deserialization

Impact

Chamilo LMS is an open-source learning management system. Prior to 2.0.1, public/main/inc/lib/career.lib.php and public/main/cron/import_csv.php call PHP's native unserialize() on user_career.extra_data retrieved from the database without the allowed_classes: false safety option. An attacker able to write crafted serialized PHP objects to that column, for example through a separate SQL injection, a compromised admin CSV import, or a lower-privilege admin panel, can instantiate arbitrary PHP objects and trigger POP gadget chains in autoloaded Symfony, Doctrine, or Monolog components. This…

Source excerpt · GitHub_M

Affected packages

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Affected products

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chamilo · GitHub_M

chamilo-lms

1 range
GitHub_M version evidence

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affected

< 2.0.1

unaffected

unknown

Other versions: unknown

Original source description

Chamilo LMS is an open-source learning management system. Prior to 2.0.1, public/main/inc/lib/career.lib.php and public/main/cron/import_csv.php call PHP's native unserialize() on user_career.extra_data retrieved from the database without the allowed_classes: false safety option. An attacker able to write crafted serialized PHP objects to that column, for example through a separate SQL injection, a compromised admin CSV import, or a lower-privilege admin panel, can instantiate arbitrary PHP objects and trigger POP gadget chains in autoloaded Symfony, Doctrine, or Monolog components. This permits arbitrary OS commands as the web server user, compromising server confidentiality, integrity, and availability. This issue is fixed in version 2.0.1.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

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Original records

CVE-2026-45145

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Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-502 ↗

CWE-502: Deserialization of Untrusted Data

GitHub_M

Related →
Contributing organizations · 2
GitHub_M

Assigning organization

2026-10-30
CISA-ADP

Additional data publisher

2026-10-30

What changed

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References

3 sources
github.com/chamilo/chamilo-lms/security/advisories/GHSA-pr59-4rm7-ghwx
Security advisoryGitHub_M
github.com/chamilo/chamilo-lms/commit/4da33d8fd317fe5d58041f3202dddc62282ef2fb
PatchGitHub_M
github.com/chamilo/chamilo-lms/releases/tag/v2.0.1
Release notesGitHub_M