CVE-2026-33706 (GCVE-0-2026-33706)
Vulnerability from cvelistv5 – Published: 2026-04-10 18:51 – Updated: 2026-04-10 18:51
VLAI?
Title
Chamilo LMS has a REST API Self-Privilege Escalation (Student → Teacher)
Summary
Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user with a REST API key can modify their own status field via the update_user_from_username endpoint. A student (status=5) can change their status to Teacher/CourseManager (status=1), gaining course creation and management privileges. This vulnerability is fixed in 1.11.38.
Severity ?
7.1 (High)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| chamilo | chamilo-lms |
Affected:
< 1.11.38
|
{
"containers": {
"cna": {
"affected": [
{
"product": "chamilo-lms",
"vendor": "chamilo",
"versions": [
{
"status": "affected",
"version": "\u003c 1.11.38"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user with a REST API key can modify their own status field via the update_user_from_username endpoint. A student (status=5) can change their status to Teacher/CourseManager (status=1), gaining course creation and management privileges. This vulnerability is fixed in 1.11.38."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-269",
"description": "CWE-269: Improper Privilege Management",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-10T18:51:23.824Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-3gqc-xr75-pcpw",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-3gqc-xr75-pcpw"
},
{
"name": "https://github.com/chamilo/chamilo-lms/commit/0acf8a196307c66c049f97f5ff76cf21c4a08127",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/chamilo/chamilo-lms/commit/0acf8a196307c66c049f97f5ff76cf21c4a08127"
}
],
"source": {
"advisory": "GHSA-3gqc-xr75-pcpw",
"discovery": "UNKNOWN"
},
"title": "Chamilo LMS has a REST API Self-Privilege Escalation (Student \u2192 Teacher)"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-33706",
"datePublished": "2026-04-10T18:51:23.824Z",
"dateReserved": "2026-03-23T17:06:05.747Z",
"dateUpdated": "2026-04-10T18:51:23.824Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-33706\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-04-10T19:16:23.800\",\"lastModified\":\"2026-04-10T19:16:23.800\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user with a REST API key can modify their own status field via the update_user_from_username endpoint. A student (status=5) can change their status to Teacher/CourseManager (status=1), gaining course creation and management privileges. This vulnerability is fixed in 1.11.38.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]}],\"references\":[{\"url\":\"https://github.com/chamilo/chamilo-lms/commit/0acf8a196307c66c049f97f5ff76cf21c4a08127\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-3gqc-xr75-pcpw\",\"source\":\"security-advisories@github.com\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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