CVE-2026-91993— Jpom through 2.11.12 Workspace Isolation Bypass via /build/branch-list
Quick assessment
Affected
dromara Jpom
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.
Jpom 在 2.11.12 及更早版本中，在 端点解析 repositoryId 时未能正确校验工作空间（workspace）的所有权，导致已认证用户能够访问其他工作空间中的仓库。攻击者可以提交来自不同工作空间的仓库标识符，从而枚举仓库是否存在、判断仓库类型，并借助其他工作空间存储的凭据执行 命令。
Possible ATT&CK Techniques 2 AI
T1212 · Exploitation for Credential Access T1552 · Unsecured Credentials
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I. Basic Information for CVE-2026-91993
Vulnerability Information
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Vulnerability Title
Jpom through 2.11.12 Workspace Isolation Bypass via /build/branch-list
Source: CVE Program / CVE List V5
Vulnerability Description
Jpom through 2.11.12 fails to validate workspace ownership when resolving repositoryId on the /build/branch-list endpoint, allowing authenticated users to access repositories from other workspaces. Attackers can submit repository identifiers from different workspaces to enumerate repository existence, determine repository type, and execute git ls-remote commands using other workspaces' stored credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-91993
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-91993 (1)
Vendor Pages for CVE-2026-91993 (1)
Other References for CVE-2026-91993 (1)
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V. Comments for CVE-2026-91993
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