CVE-2026-33703
| Summary |
Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the /social-network/personal-data/{userId} endpoint allows any authenticated user to access full personal data and API tokens of arbitrary users by modifying the userId parameter. This results in mass disclosure of sensitive user information and credentials, enabling a full platform data breach. This vulnerability is fixed in 2.0.0-RC.3.
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| Publication Date |
April 11, 2026, 4:16 a.m. |
| Registration Date |
April 15, 2026, 11:36 a.m. |
| Last Update |
April 17, 2026, 3:48 a.m. |
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CVSS3.1 : MEDIUM
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| スコア |
6.5
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| Vector |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
低 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
高 |
| 可用性への影響(A) |
なし |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha1:*:*:*:*:*:* |
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| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha2:*:*:*:*:*:* |
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| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha3:*:*:*:*:*:* |
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| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha4:*:*:*:*:*:* |
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| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha5:*:*:*:*:*:* |
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| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta1:*:*:*:*:*:* |
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| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta2:*:*:*:*:*:* |
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| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta3:*:*:*:*:*:* |
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| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc1:*:*:*:*:*:* |
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| cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc2:*:*:*:*:*:* |
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Related information, measures and tools
Common Vulnerabilities List