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CVE-2026-48053— Kolibri has Unauthenticated Server-Side Request Forgery (SSRF) in RemoteFacilityUserViewset

Quick assessment

Affected
learningequality kolibri
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Learning Equality Kolibri是Learning Equality组织的一款提供离线学习资源的软件。 Learning Equality Kolibri 0.19.4之前版本存在安全漏洞，该漏洞源于多个API端点接受未验证的baseurl参数并获取攻击者控制的URL，将响应体返回给调用者，可能导致服务端请求伪造。

CVSS 5.8 · Medium EPSS 0.28% · P21

Affected Version Matrix 1

VendorProduct Version RangeStatus
learningequality kolibri < 0.19.4 affected
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I. Basic Information for CVE-2026-48053

Vulnerability Information
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Vulnerability Title
Kolibri has Unauthenticated Server-Side Request Forgery (SSRF) in RemoteFacilityUserViewset
Source: CVE Program / CVE List V5
Vulnerability Description
Kolibri is an offline-first education platform. Prior to version 0.19.4, several Kolibri API endpoints accept an unvalidated `baseurl` parameter and fetch attacker-controlled URLs from the Kolibri server, reflecting the response body back to the caller. The original report identified two endpoints on the `RemoteFacilityUser*` viewsets; remediation review found two further reflection points on the same pattern. The GET endpoint was unauthenticated. Version 0.19.4 fixes the vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Learning Equality Kolibri 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Learning Equality Kolibri是Learning Equality组织的一款提供离线学习资源的软件。 Learning Equality Kolibri 0.19.4之前版本存在安全漏洞，该漏洞源于多个API端点接受未验证的baseurl参数并获取攻击者控制的URL，将响应体返回给调用者，可能导致服务端请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
learningequality kolibri < 0.19.4 -

II. Public POCs for CVE-2026-48053

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III. Intelligence Information for CVE-2026-48053

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Vendor Advisories for CVE-2026-48053 (2)

Vendor Pages for CVE-2026-48053 (1)

IV. Related Vulnerabilities

Same weakness: CWE-918

V. Comments for CVE-2026-48053

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