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CVE-2026-30943— Gokapi has Privilege Escalation in File Replace

Quick assessment

Affected
Forceu Gokapi
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.

Gokapi是Marc Bulling个人开发者的一个轻量级的自托管Firefox发送替代方案。 Gokapi 2.2.4之前版本存在安全漏洞，该漏洞源于文件替换API授权检查不足，可能导致删除其他用户的文件。

CVSS 4.1 · Medium EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-30943

Vulnerability Information
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Vulnerability Title
Gokapi has Privilege Escalation in File Replace
Source: CVE Program / CVE List V5
Vulnerability Description
Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to 2.2.4, An insufficient authorization check in the file replace API allows a user with only list visibility permission (UserPermListOtherUploads) to delete another user's file by abusing the deleteNewFile flag, bypassing the requirement for UserPermDeleteOtherUploads. This vulnerability is fixed in 2.2.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Gokapi 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gokapi是Marc Bulling个人开发者的一个轻量级的自托管Firefox发送替代方案。 Gokapi 2.2.4之前版本存在安全漏洞，该漏洞源于文件替换API授权检查不足，可能导致删除其他用户的文件。
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
Forceu Gokapi < 2.2.4 -

II. Public POCs for CVE-2026-30943

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III. Intelligence Information for CVE-2026-30943

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Vendor Advisories for CVE-2026-30943 (1)

Vendor Pages for CVE-2026-30943 (1)

Same Patch Batch · Forceu · 2026-03-13 · 3 CVEs total

CVE-2026-30955 6.5 MEDIUM Gokapi vulnerable to DoS in E2E Metadata Parser
CVE-2026-30961 4.3 MEDIUM Gokapi's File Request MaxSize Limit Bypassed via Multi-Chunk Upload

IV. Related Vulnerabilities

Same product: Gokapi
Same vendor: Forceu
Same weakness: CWE-863

V. Comments for CVE-2026-30943

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